Brazilian Grand Prix: Horner congratulates Vettel on title

Christian Horner believes Sebastian Vettel "thoroughly deserves" his third world championship following the season-ending Brazilian Grand Prix.

The Red Bull Racing boss says the 25-year old has "driven with so much determination" and has "never, ever given up" over the course of the season.

In taking the title, Vettel becomes only the third man in history to claim three successive world championships after compatriot Michael Schumacher (2000-2004) and Juan Manuel Fangio (1954-1957).

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