BBC Sport - Formula 1 testing: Red Bull struggles continue in Bahrain

Red Bull test problems continue

Red Bull's problems ahead of the new Formula 1 season continue on day three of testing in Bahrain, with battery and gearbox issues hampering the team.

World champion Sebastian Vettel failed to complete a single lap on Saturday, with his troublesome RB10 car breaking down twice.

After Red Bull took 150 minutes to get him on the track, Vettel stopped four corners into his first lap, and when the team attempted to send him out again, the car broke down in the pit lane.

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