Latest timespublished at 09:50 British Summer Time 25 August 2017

Hamilton fastest in rain-interrupted session, Raikkonen second
Saturday's final practice and qualifying live on BBC Sport website
Raikkonen fastest in first practice, Massa crashes heavily
Vettel leads Hamilton by 14 points in title race
Gary Rose
Kayleigh: Do I win for most boring summer break- dyed hair, and crocheted a little sheep?
Fernando Alonso has been out on the track after his power problem early doors. Now there's an issue with his DRS flag that needs sorting.
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Valtteri Bottas, not mentioned him for a while. The Finn, who is just 19 points behind Lewis Hamilton in the drivers' championship, is P3, four tenths of a second down on Lewis Hamilton's time.
"Find me a gap," asks Lewis Hamilton, who has got himself stuck in a bit of traffic.
The gap is swiftly found and Hamilton goes quickest of all courtesy of a 1:46.439.
We're already well past Nico Rosberg's time of 1:48.348 in first practice last year.
First job for Guy Martin as he is instructed to pop a blanket over Felipe Massa's mashed up Williams.
Easing him in.
Daniel Ricciardo improves his timesheet-topping time with a 1:46.656 but he's now got Kimi Raikkonen for company up there. The Ferrari man has just done a 1:46.931 on super-softs.
Stewart: Driver of the season has to be Alonso so far for the #Indy500, external and his performances in that McLaren - when it works.
Pascal Wehrlein is currently in the Sauber garage and he's kicking off the second half of the season with a brand-spanking new hairstyle.
Daniel Ricciardo, on ultrasofts, goes quickest with a 1:46.838, half a second quicker than Lewis Hamilton but the Briton is on the slower supersofts.
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I think I speak for everyone that having Kimi Raikkonen around for another year is good for Formula 1.
The Finn signed a new deal at Ferrari that will see him remain at the team until at least the end of 2018.
How much do you know about Raikkonen? Take our quiz to find out.
1. Hamilton 1:47.410 (supersofts)
2. Ricciardo +.258 (ultrasofts)
3. Verstappen +0.333 (ultrasofts)
4. Raikkonen +0.487 (supersofts)
5. Vettel +0.620 (softs)
Some post-summer break rustiness at Haas as Kevin Magnussen's headrest comes loose as he circulates. In he goes to get that one sorted.
Meanwhile, there's some quicker laps coming in now as Lewis Hamilton goes P1 with his first effort - a 1:47.410.
There's plenty of glamourous jobs to be had in Formula 1.
This is not one of them.
Esteban Ocon managed to sneak in a time before Felipe Massa crashed.
The Force India man did a 1:48.962 on super-softs.
A flurry of activity as the teams have just nine more minutes to use their first set of tyres before handing them back.
Felipe Massa's car is lifted off the track and we are back up and running with just over an hour left on the clock.
Get your spanner out, Martin. Looks like a lot of damage done to the car there.
TV personality and motorbike rider Guy Martin is part of the Williams pit crew in Belgium.
That crash for Felipe Massa makes for a busy start to the weekend for the man from Grimsby.