KATHMANDU, Nepal—Three Sherpa climbers were missing Wednesday after they fell into a deep crevasse on a treacherous section of Mount Everest just above the base camp, a Nepalese mountaineering official said.
They fell into the crevasse, thought to be about 50 meters (160 feet) deep, on Wednesday morning as they were moving toward the first camp on the world’s highest mountain, said Yubraj Khatiwada of Nepal’s Department of Mountaineering.
A rescue helicopter was trying to locate them while rescuers searched on foot, he said.
The area is the Khumbu Icefall, a constantly shifting glacier with deep crevasses and huge overhanging ice that can be as big as 10-story buildings. It is considered one of the most difficult and tricky sections of the climb to the peak….