Addison Bethea, 18, describes the vicious attack which happened just off the coast of Keaton Beach in Florida on BBC s Why Sharks Attack, which is on air tonight at 8pm.
New BBC One documentary - Why Sharks Attack - hears from experts to explore a recent shift in shark behaviour and whether human activity could be the cause
Deadly shark species being drawn to UK by rising sea temperatures dailystar.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailystar.co.uk Daily Mail and Mail on Sunday newspapers.