Hamilton satisfied with Bahrain testing

BBC Sport's Jennie Gow reports from day one of the second pre-season test in Bahrain.

Mercedes' Lewis Hamilton led the way with 74 completed laps of the Sakhir circuit and afterwards said he was satisfied with the progress his team are making.

Meanwhile, Red Bull's 2014 troubles continued. The world champions, whose first test was disastrous, completed just 14 laps with Sebastian Vettel at the wheel.

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