Formula 1 testing final day round-up
BBC Sport's Tom Clarkson reports on the final day of pre-season testing in Bahrain, where Mercedes' Lewis Hamilton set the pace.
Hamilton was just 0.06 seconds off the fastest time of the winter, set by Williams's Felipe Massa on Saturday.
Valtteri Bottas was second fastest on Sunday for Williams, and Ferrari's Fernando Alonso third, while Red Bull's struggles continued.
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