Part of a five-story residential building collapsed in Nizhny Tagil.

A gas explosion is believed to be the cause. Media reports indicate six people were injured. Witnesses say they can hear people screaming from under the rubble, according to Tagilcity.

The cause of the collapse of the entrance to a five-story building in Nizhny Tagil There was a "gas-air mixture explosion" and residents are being evacuated, the press service reports. Russian Emergency Situations Ministry.

UPD: Two infants, presumably three months old, were pulled from the rubble. The information has not yet been confirmed.

UPD: About 15 apartments were destroyed in an explosion in a residential building in Nizhny Tagil, emergency services reported.

MES reports 5 casualties.

UPD: A second partial collapse occurred in a five-story building in Nizhny Tagil after a gas cylinder exploded, emergency services reported.

UPD: A state of emergency has been declared in Nizhny Tagil following the collapse of entrances in an apartment building, emergency services said.