John Edward Jones, 26, was a medical student who was left trapped upside down in a tiny passageway in a cave after making a tragic mistake - and his death is thought to be the worst imaginable John was an experienced caver (Image: Jones Family Handout )

A cave diver met a gruesome end, trapped upside down in a narrow tunnel, making chilling sounds as he tragically lost his battle for survival.

John Edward Jones , 26, a medical student and seasoned spelunker (a hobbyist cave explorer), was cave diving with mates while visiting family in Utah for Thanksgiving in 2009. On 24 November, the group embarked on an adventure into Nutty Putty Cave, a favoured spelunking site renowned for its tight bends, twists and crawl spaces.

John set out to locate a formation known as the Birth Canal

See Full Page