Cladding questions arise in Milan’s 20-story building blaze


              Smoke billows from a building in Milan, Italy, Sunday, Aug. 29, 2021. Firefighters were battling a blaze on Sunday that spread rapidly through a recently restructured 60-meter-high, 16-story residential building in Milan. There were no immediate reports of injuries or deaths. (AP Photo/Luca Bruno)
            
              Smoke billows from a building in Milan, Italy, Sunday, Aug. 29, 2021. Firefighters were battling a blaze on Sunday that spread rapidly through a recently restructured 60-meter-high, 16-story residential building in Milan. There were no immediate reports of injuries or deaths. (AP Photo/Luca Bruno)
            
              Smoke billows from a building in Milan, Italy, Sunday, Aug. 29, 2021. Firefighters were battling a blaze on Sunday that spread rapidly through a recently restructured 60-meter-high, 16-story residential building in Milan. There were no immediate reports of injuries or deaths. (AP Photo/Luca Bruno)
            
              Smoke billows from a building in Milan, Italy, Sunday, Aug. 29, 2021. Firefighters were battling a blaze on Sunday that spread rapidly through a recently restructured 60-meter-high, 16-story residential building in Milan. There were no immediate reports of injuries or deaths. (AP Photo/Luca Bruno)
            
              Smoke billows from a building in Milan, Italy, Sunday, Aug. 29, 2021. Firefighters were battling a blaze on Sunday that spread rapidly through a recently restructured 60-meter-high, 16-story residential building in Milan. There were no immediate reports of injuries or deaths. (AP Photo/Luca Bruno)
            
              Smoke billows from a building in Milan, Italy, Sunday, Aug. 29, 2021. Firefighters were battling a blaze on Sunday that spread rapidly through a recently restructured 60-meter-high, 16-story residential building in Milan. There were no immediate reports of injuries or deaths. (AP Photo/Luca Bruno)
            
              Smoke billows from a building in Milan, Italy, Sunday, Aug. 29, 2021. Firefighters were battling a blaze on Sunday that spread rapidly through a recently restructured 60-meter-high, 16-story residential building in Milan. There were no immediate reports of injuries or deaths. (AP Photo/Luca Bruno)
            
              Smoke billows from a building in Milan, Italy, Sunday, Aug. 29, 2021. Firefighters were battling a blaze on Sunday that spread rapidly through a recently restructured 60-meter-high, 16-story residential building in Milan. There were no immediate reports of injuries or deaths. (AP Photo/Luca Bruno)
            
              Smoke billows from a building in Milan, Italy, Sunday, Aug. 29, 2021. Firefighters were battling a blaze on Sunday that spread rapidly through a recently restructured 60-meter-high, 16-story residential building in Milan. There were no immediate reports of injuries or deaths. (AP Photo/Luca Bruno)
            
              Police patrol the area where a building went on fire in Milan, Italy, Sunday, Aug. 29, 2021. (AP Photo/Luca Bruno)
            
              Smoke billows from a building on fire in Milan, Italy, Sunday, Aug. 29, 2021. Firefighters were battling a blaze on Sunday that spread rapidly through a recently restructured 60-meter-high, 16-story residential building in Milan. There were no immediate reports of injuries or deaths. (Vigili del Fuoco via AP)
            
              Smoke billows from a building in Milan, Italy, Sunday, Aug. 29, 2021. Firefighters were battling a blaze on Sunday that spread rapidly through a recently restructured 60-meter-high, 16-story residential building in Milan. There were no immediate reports of injuries or deaths. (AP Photo/Luca Bruno)
            
              Smoke billows from a building in Milan, Italy, Sunday, Aug. 29, 2021. Firefighters were battling a blaze on Sunday that spread rapidly through a recently restructured 60-meter-high, 16-story residential building in Milan. There were no immediate reports of injuries or deaths. (AP Photo/Luca Bruno)