“The prosecutor’s office of the Chelyabinsk region has started checking in connection with the incident.
The regional prosecutor Vitaly Lopin is working on the spot, ”they said.
Earlier it was reported that the explosion of the oxygen booth occurred in the clinic of the city hospital No. 2 in Chelyabinsk.
Because of the fire, 150 people were evacuated.
The city has declared an emergency situation at the municipal level.
Governor of the region Alexey Teksler ordered to check all oxygen equipment of medical institutions of the Chelyabinsk region