Kathmandu, May 23 -- The Nepali government has raised concern about the reported use of xenon gas by a group of mountaineers in summiting the world's tallest Mount Qomolangma.
Aided by the gas, four former members of British special forces reached the top of the 8,848.86-meter-high peak on Wednesday in under five days without acclimatization.
The high-speed expedition was organized by Austria-based Furtenbach Adventures. The use of xenon is controversial because the World Anti-Doping Agency added it to the list of banned substances in sporting events in 2014.
"We have sought details about it with the team leader, members and concerned agency that organized the expedition," Nepal's Department of Tourism said in a notice on Thursday.
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