“In one of the hostels in the city of Zlatoust, during the domestic conflict between the residents of the room and the visitor, there was a clap from an object that looked like a grenade,” the press service of the regional Ministry of Internal Affairs quoted Interfax as saying.
He threatened with a grenade received fatal injuries.
According to preliminary data, two men and two women were hospitalized.
The circumstances of the incident are established.
Previously, investigators opened a criminal case after the death of two people as a result of an explosion in a residential building in Nakhodka in the Primorsky Territory.