60 people evacuated in a residential building in Vsevolozhsk district of the Leningrad region, where the explosion occurred. It is reported 47news.ru with reference to the press service of the regional Department of internal Affairs.
The explosion occurred about 13:30 in one of apartments of a five houses in the village Rappolovo. According to preliminary data, the grenade exploded. 54-the summer owner of the apartment was taken by helicopter to a St. Petersburg hospital with traumatic amputations of limbs.
On the spot, according to the information portal, work engineers. It is expected that the apartment is a warehouse of ammunition.