Chloe McCardel on 12 June
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Chloe McCardel ends Cuba-US swim after jellyfish sting

13 June 2013 Last updated at 10:08 BST

A jellyfish sting has ended Australian endurance swimmer Chloe McCardel's attempt to become the first person to swim from Cuba to Florida without a protective shark cage.

The "debilitating" sting forced her to abandon the 166km (103-mile) swim after 11 hours, her support team said.

It added that the athlete would need 24 hours to recuperate from the severe injury.