British driver Jason Button extended his lead in the Formula One season to 26 points after winning the Turkish Grand Prix on Sunday.

Button, driving for Brawn GP, has won six of the last seven races and his victory in Istanbul was his fourth in a row. The Australian Mark Webber and the German Sebastian Vettle, both driving for the Red Bull team, took second and third places. Brawn now leads the championship with 96 points, well ahead of Red Bull who have just 56.5 points.