San Francisco Fire Department spokeswoman Mindy Talmadge confirmed to Press Association Sport that Andrew 'Bart' Simpson was taken to St Francis Yacht Club on the shore where paramedics performed emergency resuscitation, but he was pronounced dead.
She said another sailor suffered minor injuries.
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Many parts of the UK seeing rain to start the weekend.
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New 'smart ticketing' plans will also be introduced so travellers can receive automatic compensation payments for late trains.