PETROPAVLOVSK-KAMCHATSKY, 12 Aug The Mi-8 helicopter, which crashed in the Kronotsky Nature Reserve in Kamchatka, went deep, a source familiar with the situation told RIA Novosti. On Thursday, the helicopter fell into Lake Kuril in southern Kamchatka. There were three crew members and 13 passengers on board the Mi-8, one of them was a child. «I went to a depth of about one hundred meters,» the source said. Accidents and disasters of helicopters in Russia in 2018-2021