Mark Webber finished fourth and maintained third place in the championship , six points behind Hamilton in third and three ahead of Button .
Winner Vettel extended his lead in the World Drivers ' Championship to 58 points over Lewis Hamilton who was sixth .
Mark Webber finished fourth and maintained third place in the championship , six points behind Lewis Hamilton in third and three ahead of Button .
Winner Vettel extended his lead in the World Drivers ' Championship to 58 points over Lewis Hamilton who was sixth .