Highlights: Japanese Grand Prix practice one
Jenson Button leads the way in first practice ahead of the Japanese Grand Prix at Suzuka.
The McLaren driver set the fastest lap, 0.233 seconds ahead of team-mate Lewis Hamilton, though a gearbox change means the winner of last year's Grand Prix will start Sunday's race with a five-place grid penalty.
Mark Webber was third-quickest for Red Bull, with championship leader Fernando Alonso only able to set the 11th-fastest time in his Ferrari.
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