February 28, 2018

Brendon Hartley in the cockpit of Toro Rosso STR13

© Mark Sutton/Sutton Images

February 28, 2018

Robert Kubica powers down the pit lane in the Williams

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February 28, 2018

Sauber mechanics wheel Marcus Ericsson back into the garage

© Jerry Andre/Sutton Images

February 28, 2018

Marcus Ericsson heads down the pit lane in the Sauber

© Mark Sutton/Sutton Images

February 28, 2018

Daniel Ricciardo on track in the Red Bull

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February 28, 2018

Daniel Ricciardo pulls out of the Red Bull garage

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February 28, 2018

Fernando Alonso on track in the McLaren

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February 28, 2018

Fernando Alonso on track in the McLaren

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February 28, 2018

Main straight as snow stops testing on day three

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February 28, 2018

Mercedes snowman

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February 28, 2018

Lance Stroll walks through the paddock

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February 28, 2018

Red light as snow stops testing on day three

© Jerry Andre/Sutton Images

February 28, 2018

Red light as snow stops testing on day three

© Jerry Andre/Sutton Images