US climber's Everest speed record sparks 'ethics' row

American Tyler Andrews' record Everest speed ascent has sparked debate. Critics question if his fast summit push benefited from an earlier oxygen-assisted 'route recce' climb. While Andrews maintains his achievement, seasoned climbers argue this strategy offers an unfair advantage, blurring lines in high-altitude speed records.

US climber's Everest speed record sparks 'ethics' row
American Tyler Andrews' record Everest speed ascent has sparked debate. Critics question if his fast summit push benefited from an earlier oxygen-assisted 'route recce' climb. While Andrews maintains his achievement, seasoned climbers argue this strategy offers an unfair advantage, blurring lines in high-altitude speed records.