Terrorist group "Islamic state" * took on their own shoulders the responsibility for the explosion in a supermarket in St. Petersburg. About it informs a site monitor information activity of extremists. According to the statement, the attack was made by the cell members of the IG*. The evening of December 27 at a supermarket in St. Petersburg exploded a pipe bomb, equipped with striking elements. In the end, damaged 18 people, eight of them remain in hospitals.