Lewis Hamilton has recorded the fastest time in the first practice session ahead of the Malaysian Grand Prix.
The McLaren driver completed a lap time which was recorded as over a half a second quicker than Sebastian Vettel in second place.
Nico Rosberg was third fastest in Sepang, while Hamilton's McLaren teammate Jenson Button was in ninth place following his Melbourne victory last weekend.
Elsewhere, Michael Schumacher and Romain Grosjean impressed again as the duo finished fourth and fifth fastest respectively.