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Barcelona F1 test day four
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It's a 2m07.928s next time around for the Sauber man.
Ericsson's first time of the day (on wets) is a 2m09.169s. Almost exactly 10s slower than Vandoorne.

Perez gets his first taste of the 2018 Force India in very murky weather (Sutton Images)
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Sebastian Vettel is back in the Ferrari this morning (Sutton Images)
Bottas heads back in after his install lap, so now it's only Ericsson on track.

Though we're snow-free today, the amount of spray Gasly's kicking up even in the pitlane shows conditions aren't a huge giggle. But that's one way to make F1 teams run in the wet - throw snow at them the day before (Sutton Images)
Ericsson is heading back out in the Sauber.
In comes Vandoorne now, so it's Bottas all on his own.
Bottas has now ventured out for an installation lap in the Mercedes. Sirotkin is back in the pits and still without a timed lap to his name.
Stopwatch
Second time round for Vandoorne is a 1m59.767s - our first sub-two minute lap since Tuesday.
Stopwatch
There we are, Vandoorne delivers a first timed lap just 17 minutes into the morning's running, a rather shorter wait than we endured yesterday. It's a 2m00.707s.
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Sirotkin back out in the Williams now too.

In fact Leclerc is keeping a very close eye on Ericsson at all times (Sutton Images)
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Perez returns, Vandoorne with the track to himself for now.

...as Marcus Ericsson takes their Sauber out of the pits (Sutton Images)

Charles Leclerc watches... (Sutton Images)
Vandoorne goes back out. The first timed lap of the morning may not be far away.
Perez is next to emerge from the pits.
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Verstappen back in, just Bottas in the Mercedes and Perez in the Force India who have yet to venture out.
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In come Hulkenberg and Vandoorne now, as Verstappen heads out for his installation lap.
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Everybody piling back in the pits except Hulkenberg - all on full wet tyres. Vandoorne meanwhile heads out on track.
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Hulkenberg is next out in the Renault.
Ericsson, Vettel, Sirotkin, Gasly and Magnussen all head out.
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Green flag
We're green on time today, lovely stuff. Cars heading out immediately.
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Information
Mercedes has been adapting its driver rota to the changing weather this week, and says it'll be Valtteri Bottas out this morning before Lewis Hamilton gets his second appearance in the W09 this afternoon.
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By: Geoff Creighton
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