F1 pre-season testing in Spain ends in drama as speed thrills - in pictures

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  Lotus driver Romain Grosjean during Day 4 at the Circuit de Catalunya. Mark Thompson/Getty Images

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  Medical staff evacuate McLaren driver Fernando Alonso of Spain to an helicopter after crashing his car during the test session. Reuters

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  Sebastian Vettel drives through Circuit de Catalunya. Mark Thompson/Getty Images

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  Mercedes have had good feedbacks coming in as Nico Rosberg tests the car with a new engine at the back of the powertrain. Dan Istitene/Getty Images

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  Valtteri Bottas’ Williams during testing in Montmelo, Spain. Dan Istitene/Getty Images

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  The drivers and staff were not alone. There were fans in attendance, too, at Circuit de Catalunya. Mark Thompson/Getty Images

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  Ferrari’s German driver Sebastian Vettel stands during the testing session in Montmelo, at the outskirts of Barcelona. Quique Garcia / AFP

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  Mercedes’ Nico Rosberg drives through the dirty side of the track at Circuit de Catalunya. Dan Istitene/Getty Images