America's Cup boat crashes into umpires

Watch as Artemis Racing crash into the umpires boat during the third leg of the America's Cup World Series in Bermuda.

No-one was hurt during the incident, and Artemis Racing went on to win the regatta under the leadership of Britain's two-time Olympic champion Iain Percy.

Sir Ben Ainslie's British boat Land Rover BAR finished fourth, and are now third overall with Emirates Team New Zealand leading.

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