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Summary Ten drivers were within one second of Alonso's lap time as F1 returns following Bahrain.
Ferraris Fernando Alonso was fastest in Fridays opening practice session for Formula Ones Spanish Grand Prix.The Spanish drivers lap time of 1 minute, 24.430 seconds around the Catalunya Circuit was nearly four-tenths of a second quicker than two-time defending champion and F1 points leader Sebastian Vettel of Red Bull. Vettel won the race last year.Kamui Koboyashi of Sauber was the only other driver within half a second of Alonso, with Jenson Button of McLaren and Valtteri Bottas of Williams rounding out the top five.
