Jack-up rig Kolskaya was under tow by icebreaker Magadan and AHST Neftegaz-55 from Kamchatka western coast area to Zyryanskaya Bay, Sakhalin island, Okhotsk sea. At 0224 Moscow time Dec 18 Kolskaya issued distress signal, received by MRCC Sakhalin, vessels were in position 49 31N 148 14E (153 nm NE of Cape Terpeniya extreme east point of Sakhalin island). Air taps of tanks No. 35 and 37 were destroyed in a process of towing, massive water ingress, pumps were working at max capacity. Then the tow line from icebreaker Magadan was damaged, Kolskaya asked for immediate assistance. At about 0600 Moscow time rig capsized, with 67 staff on board. At 0640 helicopter left airport Nogliki, Sakhalin. By 1100 Moscow time 14 people were rescued, 2 dead found and lifted. Search and Rescue is under way. Jack-up rig Kolskaya was built in 1985 in Finland, length 70 meters, width 80 meters, class DNV, owner Arktikmorneftegazrazvedka.