AUSTIN, Texas -- Sebastian Vettel has been handed a three-place grid penalty for the U.S. Grand Prix after failing to slow for red flags during Friday practice.
Vettel's season has unravelled due to a number of mistakes this season and what had looked set to be a fight that went to the wire has swung across to Lewis Hamilton and Mercedes in recent months. The German's latest could be decisive in ending the championship prematurely, as Hamilton can seal the title if he wins on Sunday and Vettel is third or lower.
More to follow....