An avalanche has struck 7,126-meter-high Himlung Himal in the Nar-Phu region of Manang, leaving 10 climbers and support staff unaccounted for. Nepal Mountaineering Association President Phur Gelje Sherpa said the number could be between 10 and 15 people. However, adverse weather conditions have prevented rescue teams from reaching the site. One team has reportedly headed toward Manang by Prabhu Helicopter