A young man risks his life as he jumps off a 65ft wall at ‘Dead Man’s Cove’ in Plymouth, Devon. See SWNS story SWTOMB: Boozed-up teens risk their lives by leaping 65ft into the sea as the summer heatwave sparks a new epidemic of deadly “tombstoning”. Jumpers downed cans of lager before hurling themselves off a harbour wall – clearing the jagged rocks below by just a few feet. The fast-growing craze has killed at least 20 people nationwide and has seriously injured or paralysed 60 in the last nine years. But thrillseekers were queuing up to dice with death Sunday by freefalling off Dead Man’s Cove in Plymouth despite “danger of death” warning signs.