A bomb in Afghanistan left him without legs. He just summited Everest.
Washington Post
Hari Budha Magar, a Gurkha veteran in the British army who lost both legs in Afghanistan, is the first above-the-knee double amputee to summit the mountain.
https://www.washingtonpost.com/world/2023/05/23/mount-everest-double-amputee-hari/