India, Sept. 27 -- An avalanche struck the base camp of Himlung Himal in Nepal's Manang district on Sunday morning, leaving at least 10 expedition staff members unaccounted for. The Expedition Operators Association Nepal confirmed the incident.

Rishi Bhandari, general secretary of the association, told The Kathmandu Post that two of the missing are associated with Imagine Nepal Pvt Ltd and eight with Himalayan Holidays Nepal. Expedition organiser Mingma Gyalje Sherpa said two members of his kitchen staff were among those missing.

"The avalanche hit on Sunday morning," Sherpa said. He said expedition and rope-fixing teams had evacuated the mountain slopes after a weather warning was issued last week, although some people stayed behind de...