By Mike Henson
**Jenson Button won an incident-packed Australian Grand Prix after the leading Red Bull of Sebastian Vettel slid out of the race with brake failure.**An early swap to dry-weather slick tyres proved crucial in a race dominated by changing weather, crashes and breathtaking racing.
Vettel’s lead looked secure until his mid-race problem allowed Button in.
A stubborn Robert Kubica claimed second for Renault, holding off the Ferraris of Felipe Massa and Fernando Alonso.
More to follow.