Hamilton wins 1st Grand prix of new season

Motorsports: FIA Formula One World Championship 2012, Test Barcelona

FORMULA ONE

Mercedes have picked up where they left off last year with a one-two in the season-opening Australian Grand Prix.

Reigning world champion Lewis Hamilton took victory ahead of team-mate, Nico Rosberg.

Sebastian Vettel was third on his Ferrari debut, with Felipe Massa's Williams fourth.