Sebastian Vettel has been crowned Formula 1 world champion for a fourth time with victory at the Indian Grand Prix.
The Red Bull driver, who began on pole, needed to finish at least fifth to retain his crown but still took the chequered flag, ahead of Nico Rosberg and Romain Grosjean.
The result draws him level with Alain Prost on four title wins. Only Michael Schumacher (7) and Juan Manuel Fangio (5) have won more world titles in the sport.
Vettel's victory also helped confirm Red Bull's successful defence of the constructors' championship.
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