The explosion on the 11th floor of an apartment house at the address. Academician Korolev, Building 8, Building 1 occurred around 19:00 on Friday. The explosion completely destroyed four apartments and knocked out four outer panel house. Mid-floor between 11 and 12 and between 11 and 10 floors collapsed. It emerged after the explosion the fire was extinguished by the 20 fire brigades and a half hours.