US swimmer Diana Nyad is less than two miles from completing her journey from Cuba to Florida without a shark cage.
Thousands of well-wishers are waiting on Smathers Beach in Key West, where she will complete her swim attempt.
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"People must be aware at all times that there are wild animals around them and they must make sure that their tents are properly closed."
The UK has been stripped of its top credit grade rating by Standard & Poor in the wake of its vote to leave the European Union.
Tonight: Showers will become confined to northern and western Scotland overnight leaving much of the country dry with clear spells.