MotoGP is a dangerous sport - BBC's Matt Roberts
BBC Sport's Matt Roberts reports from Sepang on the death of Italian rider Marco Simoncelli following a crash in the Malaysian MotoGP in Sepang.
Simoncelli died after coming off on turn 11 of the second lap of Sunday's race and colliding with riders Colin Edwards and Valentino Rossi.
Roberts says there are dangers inherent in MotoGP but describes the 24-year-old's death as a "freak accident".