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Red Bull

Monaco GP: Mercedes' secret tyre session tests patience of rivals

Nico Rosberg's brilliant triumph in the Monaco Grand Prix was marred slightly when Red Bull and Ferrari lodged official protests afterwards, seeking clarification of a so-called secret test that Mercedes had undertaken with tyre supplier Pirelli after the Spanish GP earlier this month. There, the silver cars started from the front row of the grid but could not better sixth and 12th places in the race because of very high tyre wear.

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Red Bull driver Sebastian Vettel attacks again with Mark Webber

Sebastian Vettel undid much of the damage limitation work he has being doing so assiduously since stealing victory from Red Bull team-mate Mark Webber in the Malaysian Grand Prix two weeks ago, with a fierce attack on the Australian that made it clear he still intends to win at all costs.