A team of four British climbers has etched their names in mountaineering history, becoming the first to summit Mount Everest using Xenon gas, significantly reducing the acclimatisation period typically required for such a feat.

A British climber who scaled Mount Everest for the 19th time, breaking his own record for the most ascents of the world’s highest peak by a non-Sherpa guide, says he is already planning his next attempt.

Four British former special forces soldiers have set a record by climbing Mount Everest in under five days without acclimatising on the mountain, as part of a high-speed expedition controversially aid