Nepali sherpas have found four climbers dead in a camp on Mount Everest, taking the death toll on the world's highest mountain to 10 in the past month. <br/><br/>Mingma Sherpa of the Seven Summit Treks group said in Kathmandu that the bodies of the four climbers were found overnight inside two tents at Camp Four, located at 8,000 metres. He said, it is not clear how they died and their identities had not been established. <br/><br/>Hundreds of climbers are attempting to scale the summit from both the Nepali and Chinese routes this year.