"The Prosecutor's Office of the Republic of Tatarstan organized a check of information about cotton gas in a residential apartment building in Naberezhnye Chelny," RIA Novosti reported.
As noted, as a result of the inspection, an assessment will be made of compliance with legal requirements in the operation and maintenance of gas equipment.
According to preliminary data from the Ministry of Emergency Situations, an explosion of a gas-air mixture occurred in an apartment on the fourth floor of a five-story panel residential building in Naberezhnye Chelny.
Earlier, rescuers handed over to doctors four victims after an emergency in Naberezhnye Chelny.