Foreign climbers and Sherpas on Mount Everest are concerned about the increasing theft of oxygen bottles from high camps.
They say it could threaten the lives of mountaineers because they each have a set supply for weather and traffic-related delays, as well as for the descent.
The concerns have been raised as the last groups of mountaineers wait for the weather to clear for their final push to the summit.
Experts say crowds of mountaineers, with many inexperienced climbers and unqualified guides, have also contributed to the situation.
“It is becoming a serious issue up there,” Nima Tenji Sherpa, a mountain guide just back from Everest, told the BBC.
“I kept on hearing from expedition groups that their oxygen bottles had disappeared and that could be life-threatening – particularly when they have used up what they are carrying on their way up and they are still not on the summit yet, or they plan to use the stocked bottles on their way back.”
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