Mountaineering

The former special forces troops used xenon gas to acclimatise to climbing at high altitudes more quickly.

Kenton Cool has broken his own record for the most climbs up the world's tallest peak by a non-sherpa.

His three fellow climbers were killed in a remote area of Washington state after safety equipment failed.

Eli Sweeting did not return from a hike in the Milford Sound area of Fiordland National Park on Sunday.

Visitors to Cumbria's fells are given advice in a week when inquests ruled on two walkers' deaths.

Michael Hall raises more than £4,000 for a men's bereavement charity by completing The 3000s challenge.

A climbing pair shatter the record for completing the daunting north faces of a famed trio of Swiss mountains.