Diana Nyad
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Swimmer's 'elusive dream' of reaching Florida from Cuba

8 August 2011 Last updated at 10:49 BST

A 61-year-old American woman is attempting to become the first person to swim from Cuba to the US without the protection of a shark cage.

Diana Nyad set off from Havana late on Sunday and hopes to arrive in Key West in Florida on Wednesday.

Having previously retired from long-distance swimming, she said the challenge was the pursuit of an ''elusive dream.''