Simoncelli was involved in a fatal accident with Colin Edwards and Valentino Rossi during the 2011 Malaysian GP at the Sepang International Circuit. In fourth position during lap two Simoncelli's bike veered across the track and straight into the path of Edwards and Rossi. Edwards also fell off but was unhurt, but Simoncelli lay still on the track after the crash, his helmet having come off during the incident. The race was immediately red-flagged. He was taken by ambulance to the circuit's medical centre, but at 16:56 local time it was announced he had died from his injuries.
Italian rider Marco Simoncelli has died of injuries sustained in a crash on Sunday that resulted in the cancellation of the Malaysian MotoGP.
The crash occurred just minutes after the race began when the 24-year-old Honda rider’s bike veered across the track and into the path of riders Colin Edwards and Valentino Rossi.
Simoncelli had his helmet knocked off in the ensuing collision, which occurred on turn 11.
MotoGP later announced Simoncelli’s death in a statement on its website. "Marco Simoncelli succumbed to injuries sustained in Malaysia," it said.
Marco Simoncelli Mati Di Sepang. Accident Marco Simoncelli . Litar Sepang