A Mil Mi-8 helicopter owned by Ukraine's company Naftogaz, is crashed this morning around 10:30am in the Black Sea. According to the Russian press agency, "Itar Tass", 20 people were on board and just one of them could have survived. The helicopter was carrying the crew to "Tavrida" platform for the natural gas' extraction; helicopter's tail rotor got caught on the platform, the source said. Last...