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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In a rallying call at the Democratic National Convention, the former US president said Hillary is 'the best darn change-maker I ever met'.
Satoshi Uematsu, 26, was sent to the Yokohama District Public Prosecutors Office in Kanagawa prefecture.
West Yorkshire Police confirmed a 32-year-old woman was taken into custody in connection with the alleged threats.