A swimmer has told of how she punched a six-foot shark in the face during an attack and rescued her foot from being amputated.
Heather West, 42, was snorkelling with friends around Loggerhead Key at Dry Tortugas National Park in Florida when she had the terrifying experience.
The group were exploring Little Africa Reef when the sea became too choppy for them to snorkel, so they decided to head back to the beach for a picnic.