Ukraine finds new mass burials, says Russia “leaves death”


              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a civilian during the exhumation, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Expert smokes under the rain during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A view shows unidentified graves of civilians and Ukrainian soldiers in a cemetery, in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work during the exhumation of bodies in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move a body during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Part of the body of Ukrainian soldier emerges from the ground during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts work around a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts search the body of a Ukrainian soldier during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers move the body of a Ukrainian soldier during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Experts lift a body during an exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Emergency workers have a rest during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              Bags with dead bodies are seen during the exhumation in the recently retaken area of Izium, Ukraine, Friday, Sept. 16, 2022. Ukrainian authorities discovered a mass burial site near the recaptured city of Izium that contained hundreds of graves. It was not clear who was buried in many of the plots or how all of them died, though witnesses and a Ukrainian investigator said some were shot and others were killed by artillery fire, mines or airstrikes. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances uses his smartphone to film the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022, who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              Maria, center, hugs her parents Marina and Alexander during their first meeting after seven months since the beginning of the war in the recently retaken town of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)
            
              An apartment building heavily damaged by Russian attacks on previous months is seen at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              People cross a street in at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              Andrii Iezyk shows the destroyed flat in his house in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. Iezyk's family have since the beginning of the war lived without gas, water and electricity. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman uses a metal detector to inspect a mass grave in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 which contains Ukrainian soldiers who were killed during the fighting against Russians near the beginning of the war. (AP Photo/Evgeniy Maloletka)
            
              Destroyed cars are seen in an area next to apartment buildings that have been heavily damaged by Russian attacks on previous months at Saltivka neighborhood in Kharkiv, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Leo Correa)
            
              A Ukrainian serviceman stands at the checkpoint near the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              A view of unidentified graves of civilians and Ukrainian soldiers in a cemetery in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A church can be seen in the distance through an apartment building destroyed by an airstrike in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022. (AP Photo/Evgeniy Maloletka)
            
              Oleg Kotenko, the Commissioner for Issues of Missing Persons under Special Circumstances, left, speaks to his comrade near the unidentified graves of civilians and Ukrainian soldiers in the recently retaken area of Izium, Ukraine, Thursday, Sept. 15, 2022 who had been killed by Russian forces near the beginning of the war. A mass grave of Ukrainian soldiers and unknown buried civilians was found in the forest of recently recaptured city of Izium. (AP Photo/Evgeniy Maloletka)
            
              A Ukrainian serviceman sits in a tank, in the recently retaken area of Izium, Ukraine, Wednesday, Sept. 14, 2022. (AP Photo/Evgeniy Maloletka)