Motor racing: Rosberg wins in Austria to stretch F1 lead

Mercedes' German driver Nico Rosberg makes a pit stop as he competes in the Austrian Formula One Grand Prix at the Red Bull Ring in Spielberg on June 22, 2014. -- PHOTO: AFP
Mercedes' German driver Nico Rosberg makes a pit stop as he competes in the Austrian Formula One Grand Prix at the Red Bull Ring in Spielberg on June 22, 2014. -- PHOTO: AFP
Mercedes Formula One driver Nico Rosberg of Germany is followed by Williams Formula One driver Valtteri Bottas of Finland (right) during the Austrian F1 Grand Prix at the Red Bull Ring circuit in Spielberg on June 22, 2014. -- PHOTO: REUTERS
Mercedes Formula One driver Nico Rosberg of Germany is followed by Williams Formula One driver Valtteri Bottas of Finland (right) during the Austrian F1 Grand Prix at the Red Bull Ring circuit in Spielberg on June 22, 2014. -- PHOTO: REUTERS
Winner Mercedes' German driver Nico Rosberg holds his trophy as he celebrates on the podium after the Austrian Formula One Grand Prix at the Red Bull Ring in Spielberg on June 22, 2014. -- PHOTO: AFP
Winner Mercedes' German driver Nico Rosberg holds his trophy as he celebrates on the podium after the Austrian Formula One Grand Prix at the Red Bull Ring in Spielberg on June 22, 2014. -- PHOTO: AFP
(Left-right) Second placed Mercedes' British driver Lewis Hamilton, winner Mercedes' German driver Nico Rosberg and third placed Williams' Finnish driver Valtteri Bottas pose on the podium after the Austrian Formula One Grand Prix at the Red Bull Rin
(Left-right) Second placed Mercedes' British driver Lewis Hamilton, winner Mercedes' German driver Nico Rosberg and third placed Williams' Finnish driver Valtteri Bottas pose on the podium after the Austrian Formula One Grand Prix at the Red Bull Ring in Spielberg on June 22, 2014. -- PHOTO: AFP
Winner Mercedes' German driver Nico Rosberg (centre) celebrates his victory near his trophy after the Austrian Formula One Grand Prix at the Red Bull Ring in Spielberg on June 22, 2014. -- PHOTO: AFP
Winner Mercedes' German driver Nico Rosberg (centre) celebrates his victory near his trophy after the Austrian Formula One Grand Prix at the Red Bull Ring in Spielberg on June 22, 2014. -- PHOTO: AFP

SPIELBERG, Austria (REUTERS) - Germany's Nico Rosberg won the Austrian Formula One Grand Prix in a Mercedes one-two on Sunday to stretch his championship lead over team-mate Lewis Hamilton to 29 points.

Williams drivers Valtteri Bottas and Felipe Massa, who had started on the front row, finished third and fourth respectively.

Red Bull's quadruple world champion Sebastian Vettel retired from the race.