Final practice - Vettel edges Grosjean at Marina Bay

Red Bull's form looked far less commanding on Saturday afternoon in Singapore, as Sebastian Vettel led final practice by less than two-tenths of a second from the Lotus of Romain Grosjean. Mercedes' Nico Rosberg finished the hour in third, half a second adrift of Vettel, with Mark Webber fourth in the second Red Bull and Lewis Hamilton fifth in the second Mercedes

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