Russian GP winner Hamilton sets sights on world title

Lewis Hamilton says he has "no other goal" than claiming a third world championship after taking victory in the Russian Grand Prix.

Hamilton's title rival and team-mate Nico Rosberg retired early on while leading in Sochi, leaving Hamilton 66 points ahead in the world championship with just 100 left to play for.

Hamilton now needs nine more points than Sebastian Vettel and two more than Rosberg at the next race in the USA to clinch the title.

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