At least four people including a woman were killed on Tuesday when a helicopter carrying relief materials crashed in one of the worst quake-hit mountainous regions in Nepal. Nepal police said the chopper of Kathmandu-based Mountain Helicopters came down in a forested area north of the capital. It was returning to Kathmandu when it crashed at Yamuna Balefi Village in Sindhupalchowk district. Bodies of three men and a woman were recovered by Nepalese troops from the crash site. Rescuers were trying to take the bodies to Kathmandu, a senior official said. [related-post] The chopper had caught fire. Another helicopter has been dispatched to the crash site. Further informations are awaited, said a Tribhuvan International Airport staff.