Last updated at 21:47 GMT
Marc Marquez extended his lead at the top of the MotoGP World Championship by beating Stefan Bradl at Laguna Seca.
Marquez, 20, had never raced at the California circuit before but produced a superb ride to stretch his advantage over his Repsol Honda team-mate Dani Pedrosa to 16 points.
Valentino Rossi was third with Alvaro Bautista fourth and the injured Pedrosa and Jorge Lorenzo fifth and sixth.
Britain's Cal Crutchlow had his worst finish of the season in seventh place.
More to follow.
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