Polish officials have said four people died and 24 were injured after a residential building collapsed in Poznan, Sunday morning. «I saw a crowd of people running away from the building. I was shocked, I couldn’t believe it,» said one resident. “There may still be people there, which is why there are so many guard groups here, there are also dogs and a search-and-rescue group,» said... Еще firefighter Slawomir Brandt. The building contained 18 apartments and 40 residents, local media said. Three of the four stories of the building were destroyed. There are children among the wounded. “For the aggrieved, we provided accommodation for two weeks, and then we will also prepare social housing. The wounded are receiving medical care at the highest level. This is a drama, a great tragedy,» stated Poznan Mayor Jacek Jaskowiak. Reportedly, the collapse of the building occurred as a result of a gas explosion, but the precise causes are as yet unknown. Twenty-four fire engines are working at the site.