A tourist in Tasmania required a leg amputation after becoming trapped in a rock crevice during a kayaking trip. The rescue operation, which lasted approximately 20 hours, involved medics making a life-saving decision to amputate the leg for safe extraction. The visitor, a man in his 60s, was partially submerged and unable to be freed despite multiple attempts. Emergency services responded after his smartwatch automatically called for help, underscoring the perilous nature of the situation.