Russian Mi-8 helicopter crash landed on Tuesday in the northern Komi Republic with no casualties, the Russian Investigative Committee said. A woman passenger broke her arm but no other injuries were reported. The crash took place earlier in the day 180 kilometers from the republic\'s capital Syktyvkar when the helicopter landed on rough terrain, falling on one side. There were three crewmembers and between six and 16 passengers on board, according to different sources. The Investigative Committee has launched a probe into the causes of the crash. It was previously reported that the helicopter had been fighting forest fires.