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McLaren's Jenson Button set the fastest time of the first practise session at the Chinese Grand Prix.The world champion's one minute 36.677 seconds lap was just 0.071secs quicker than Mercedes' Nico Rosberg, with McLaren's Lewis Hamilton just behind.
Toro Rosso driver Sebastien Buemi was unhurt after a worrying crash caused when both wheels flew off while braking at the end of the long back straight.
Ferrari's Fernando Alonso failed to set a time after suffering engine failure.
More to follow.This article is from the BBC News website. ? British Broadcasting Corporation, The BBC is not responsible for the content of external internet sites.