“The Chairman of the Investigative Committee of Russia, Alexander Bastrykin, demanded a report on the investigative actions carried out and put the course of the investigation of the criminal case under control in the central office of the Investigative Committee,” reads a statement on the agency's website.

It is noted that representatives of the Investigative Committee of Russia, together with criminologists and experts, are conducting an inspection of the scene.

Earlier it became known that as a result of a gas explosion in a three-story residential building in Nizhny Novgorod, three people were injured.