Live updates: Kyiv mayor says 264 civilians killed in city


              Kyiv Mayor Vitali Klitschko, standing at right, speaks during a press conference next to his brother, former heavyweight boxing world champion Wladimir Klitschko, in Kyiv, Ukraine,Wednesday, March 23, 2022. From a public park in the city, Klitschko said 264 civilians had so far died from Russian bombardment on the capital, including four children. As he spoke to reporters, explosions and loud gunfire echoed across the city. (AP Photo/Vadim Ghirda)
            
              A Ukrainian serviceman guards the area as Kyiv Mayor Vitali Klitschko, foreground, speaks during a press conference in Kyiv, Ukraine,Wednesday, March 23, 2022. From a public park in the city, Klitschko said 264 civilians had so far died from Russian bombardment on the capital, including four children. As he spoke to reporters, explosions and loud gunfire echoed across the city. (AP Photo/Vadim Ghirda)
            President Joe Biden speaks with members of the press before boarding Marine One on the South Lawn of the White House, Wednesday, March 23, 2022, in Washington. Biden is traveling to Europe to meet with World counterparts on Russia's invasion of Ukraine. (AP Photo/Patrick Semansky) 
              Ukrainian refugees wait to embark buses bound to Italy at a railway station in Przemysl, southeastern Poland, on Wednesday, March 23, 2022. Poland has received more than 2 million Ukrainian refugees since the Feb. 24 invasion. (AP Photo/Sergei Grits)
            
              A Ukrainian firefighter shouts to a colleague while trying to extinguish a fire inside a house destroyed by shelling in Kyiv, Ukraine,Wednesday, March 23, 2022. The Kyiv city administration says Russian forces shelled the Ukrainian capital overnight and early Wednesday morning, in the districts of Sviatoshynskyi and Shevchenkivskyi, damaging buildings. (AP Photo/Rodrigo Abd)
            
              Ukrainian refugees wait at a railway station in Przemysl, southeastern Poland, on Wednesday, March 23, 2022. Poland has received more than 2 million Ukrainian refugees since the Feb. 24 invasion. (AP Photo/Sergei Grits)
            
              A Ukrainian firefighter stands in the ruins of a house destroyed by bombing in Kyiv, Ukraine, Wednesday, March 23, 2022. The Kyiv city administration says Russian forces shelled the Ukrainian capital overnight and early Wednesday morning, in the districts of Sviatoshynskyi and Shevchenkivskyi, damaging buildings. (AP Photo/Vadim Ghirda)
            
              A Ukrainian firefighter holds a hose inside a house destroyed by bombing in Kyiv, Ukraine, Wednesday, March 23, 2022. The Kyiv city administration says Russian forces shelled the Ukrainian capital overnight and early Wednesday morning, in the districts of Sviatoshynskyi and Shevchenkivskyi, damaging buildings. (AP Photo/Vadim Ghirda)
            
              A man listens to a public TV showing a live broadcast of Ukrainian President Volodymyr Zelenskyy delivering a virtual address to Japanese lawmakers in Tokyo, Japan, Wednesday, March 23, 2022. (AP Photo/Shuji Kajiyama)