McLaren duo unhappy with car

McLaren drivers Lewis Hamilton and Jenson Button admit they're unhappy with their cars' performance after the first two practice sessions for Sunday's European Grand Prix in Valencia.

The pair were strong in the first session as Button finished fourth and Hamilton eighth, but in the afternoon they were a disappointing 12th and 14th respectively.

Hamilton currently leads the drivers' championship going into Sunday's race after his victory in Canada a fortnight ago.

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