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Porsche has moved back into the lead of the 2015 Le Mans 24 Hours after problems struck the leading Audis towards the end of the third hour.

In the hands of Andre Lotterer, Audi looked to have stolen a march over its rivals, particularly when a decision not to change tyres at the third stop - unlike Porsche - put the #7 car more than half a minute clear.

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However, Audi's race would turn on its head when Lotterer suffered a puncture just two laps into his fourth and final stint, forcing him in again for new rubber and a driver change, with Benoit Treluyer taking over. The time lost would drop the car to sixth, with Treluyer making things harder for himself with a run across the grass and lightly into the barrier at Foret.

With the #17 Porsche now in the hands of Brendon Hartley now in the lead, Marc Lieb jumped to second in the #18 machine, while Loic Duval led Audi's charge in #8 until he suffered a dramatic crash in the closing stages of the hour.

Seemingly unaware a slow zone was in place to clear debris up ahead, Duval came up quickly behind a slow pack of cars, the Frenchman taking to the grass in avoidance and spinning around in front of it. Hitting the opposite barrier, the impact would leave the car with significant damage, but Duval would nurse it back to the pits to undergo a quick body-change and get out again in just 5mins with the loss of just one lap.

In the LMP2 class, Nicolas Lapierre has pushed KCMG clear into the lead, ahead of the Thiriet by TDS Oreca, the Signatech Alpine and the Murphy Oreca.

The ultra-close GT Pro class, meanwhile, has seen Corvette take the lead, but it is one stop behind its rivals behind, after the long-time leading #95 Aston Martin was pulled into the garage with problems.

Meanwhile, Jeroen Bleekemolen has put the Riley Viper into the lead of the GTE Am class.

The race is currently under safety car conditions as marshals clear debris from the Audi's crash.

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