Friday analysis – Red Bull at their most dangerous

The first practice sessions of the season’s European leg were predictably busy, as teams not only trialled some major car updates, but also got to grips with Pirelli’s new harder ‘hard’ prime tyre. McLaren came close, but in the end it was again a worryingly confident looking Red Bull squad who led the way on pace. We take a team-by-team look at Friday’s running in Barcelona

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