Diana Nyad managed to stand unaided as she arrived at Smathers Beach in Key West after swimming for almost 53 hours.
The 64-year-old has become the first person to complete the swim from Cuba to Florida without using a shark cage.
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A mother feared to have been planning to travel to Syria with her four children has been arrested after returning to the UK.
Labour leadership contender Yvette Cooper has accused Jeremy Corbyn of not being straight with people over the economy.
Most of Britain to remain dry and cloudy.