These pictures show Pol Espargaro's fiery accident in Saturday morning practice for the Malaysian MotoGP at Sepang.

The Monster Yamaha Tech 3 rider was launched from his bike at turn one after oil leaked onto his rear wheel, caused by a small piece of glass debris damaging an oil radiator.

Other riders had tried to warn Espargaro, but the intermittent smoke meant he didn't spot the damage.

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Espargaro broke the second metatarsal bone in his left foot and was ruled out of qualifying, but intends to return for Sunday's race.

"The bike was letting a small [amount of] oil on to the wheel but I didn't see it so I continued pushing - and it had the same power and everything - but at the end of the straight but when I braked some oil was starting to come onto the wheel," Espargaro said.

"We'll have to forget [the injury] because tomorrow we have a race. Changing gear will be really difficult with the pain, but we'll see tomorrow what happens."