The deployment of the safety car at the Hungarian Grand Prix helped Australian Mark Webber to the chequered flag.
The Red Bull driver went back to top spot in the Formula One standings after the victory, with a lead of four points.
It was Webber's fourth win this year and the sixth of his career.
The race was turned on its head as the Australian had previously appeared destined for third place until the safety car was sent out on lap 15, causing chaos.
Webber was the fortunate beneficiary of what unfolded, whilst his team-mate Sebastian Vettel was the unlucky loser as he could only finish third behind Ferrari's Fernando Alonso after 70 laps at the Hungaroring.
"It's a pretty unexpected victory," said Webber.
"I knew unless Seb made a mistake or had a problem, it was always going to be his race.
"But as we saw, sometimes things happen, so for whatever reason it was a bit of a gift for me."
A gearbox failure on lap 24 cost Lewis Hamilton potentially fourth and his championship lead, whilst McLaren team-mate Jenson Button finished a lap down in eighth.
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