Summary
McLaren and Honda confirm split
Ricciardo fastest in first and second practice, Ferraris hit problems
Sainz's loan to Renault to replace Palmer for 2018 confirmed
McLaren sign three-year deal with Renault, Toro Rosso join with Honda from 2018
Final practice at 11:00 BST Saturday & qualifying at 14:00
McLaren confirm three-year Renault dealpublished at 11:39 British Summer Time 15 September 2017
And the dominoes begin to fall...published at 11:34 British Summer Time 15 September 2017
McLaren-Honda split confirmedpublished at 11:32 British Summer Time 15 September 2017
Breaking
Andrew Benson
BBC Sport’s chief F1 writer in SingaoreMcLaren are to split with engine partners Honda at the end of the season, just three years into their troubled partnership.
It follows consistently poor performance and reliability from Honda's engines since the two joined forces for the 2015 season.
They had hoped to repeat their success from 1988-91 but fell well short.
The move, confirmed on Friday, is to be the first of a series of choreographed announcements involving three teams.
• McLaren will use Renault engines in 2018
• Honda will switch its engine supply to Red Bull's junior Toro Rosso team next year
• Toro Rosso driver Carlos Sainz will move to Renault
On this day: September 15published at 11:29 British Summer Time 15 September 2017
Image source, Rex FeaturesSince we have some time to kill, let's have a rifle through the F1 archives to see what happened on this day in years gone by.
Hmmm, let's see here. Yes, this is a good one.
Thirty-two years ago TODAY Ayrton Senna scored his second of 41 grand prix victories by taking the chequered flag at the Belgian Grand Prix ahead of Nigel Mansell and Alain Prost.
Not a bad podium, that.
Postpublished at 11:22 British Summer Time 15 September 2017
So, the chief BBC Sport elf has informed we drones that, given all the news we expect to be breaking over the next couple of hours, this page will keep ticking over all the way through to FP2.
We're expecting the McLaren-Honda divorce to be confirmed in around 10 minutes, after which it will be a breaking news bunfight.
Hooray.
Postpublished at 11:07 British Summer Time 15 September 2017
FP1: 11-20published at 11:04 British Summer Time 15 September 2017
11 Vandoorne 12 Palmer 13 Ocon 14 Massa 15 Grosjean 16 Giovinazzi 17 Stroll 18 Gelael 19 Ericsson 20 Wehrlein
FP1: 1-10published at 11:04 British Summer Time 15 September 2017
1 Ricciardo 2 Vettel 3 Verstappen 4 Hamilton 5 Perez 6 Bottas 7 Raikkonen 8 Alonso 9 Hulkenberg 10 Kvyat
Chequered flagpublished at 11:01 British Summer Time 15 September 2017
FP1 ends with Daniel Ricciardo fastest.
Full times to come.
Image source, Getty ImagesPostpublished at 11:01 British Summer Time 15 September 2017
Amazing sexy wiggle on the shark fin/T-bar of the Haas of Giovinazzi as it rides the kerbs.
Mesmerising.
Postpublished at 10:59 British Summer Time 15 September 2017
One minute to go...
Order is unchanged.
Postpublished at 10:58 British Summer Time 15 September 2017
Postpublished at 10:57 British Summer Time 15 September 2017
Postpublished at 10:57 British Summer Time 15 September 2017
Jennie Gow
BBC Radio 5 live pit-lane reporterRed Bull have made some tweaks this weekend and what most teams do is they go up and down the pit-lane to see what other teams are doing and then try to test some of the stuff they like the look of during the practice sessions themselves.
Flow-viz klaxonpublished at 10:54 British Summer Time 15 September 2017
Hamilton gets it wrongpublished at 10:54 British Summer Time 15 September 2017
Lewis Hamilton misses his braking point at Turn 14 and disappears down the escape road.
He engages reverse and recovers to the track.
Image source, Getty ImagesChristian Klien in the Red Bull garage...published at 10:52 British Summer Time 15 September 2017
... and presumably has just been defrosted from carbonite.
He hasn't changed a bit!
Hulk!published at 10:50 British Summer Time 15 September 2017
Postpublished at 10:49 British Summer Time 15 September 2017
Jennie Gow
BBC Radio 5 live pit-lane reporterThe cars are designed to go faster this year and we have seen a lot of records broken and Ricciardo’s time doesn’t surprise me.
Rosberg joins forces with Kubicapublished at 10:46 British Summer Time 15 September 2017
Andrew Benson
BBC Sport’s chief F1 writer in SingaoreWorld champion Nico Rosberg has joined Robert Kubica's management team and is working on securing the Pole a return to Formula 1.
Kubica has not raced in F1 since being left with partial movement in his right arm after a rallying accident in 2011.
Rosberg announced the arrangement on Twitter, posting a picture of himself in karting with Kubica and Lewis Hamilton., external
"Excited to be working with Robert and his return to F1," said Rosberg.
"He and Lewis were the fastest I raced against."
Image source, Rex Features