2009 Brazilian Grand Prix Race day at Interlagos

20:55 Jenson Button is the 2009 FIA Formula 1 World Champion.

His drive to the title today was set when lap one produced carnage in the middle of the field. The Briton cleverly avoided all the mischief to resume after the safety car period in ninth. Nico Rosberg's disappearance and Barrichello's downfall put him in an increasingly strong position throughout the race.

It's party time in the Brawn garage and the team will deservedly celebrate an astounding season tonight.

This was the Brazilian Grand Prix on AUTOSPORT Live. Thanks for being with us throughout the chaos of the weekend. We now have a free-for-all to end the season in Abu Dhabi in a fortnight. Our weather forecast will be available on Monday 26th October.

20:51 Our round up of an action-packed Brazilian Grand Prix is now available:

Button clinches title as Webber wins in Brazil

20:50 The rain showers, still building in the area, held off in the end but it mattered little for dramatic conclusions to the titles.

20:48 "It's really amazing. My voice has gone now! It was such an awesome race. I'm world champion baby! "
Jenson Button, world champion speaking to BBC TV

20:47 There is delight in the Brawn garage as the team celebrates both world championships.

20:47 Webber, Kubica and Hamilton vacate the podium but the interest is clearly elsewhere at the moment, as Jenson Button and the Brawn team take in their first few minutes as champions of the world.

20:46 Jenson Button is embraced by Bernie Ecclestone as he prepares to talk with the media scrum.

20:45 The champagne sprays on the podium at the end of a tense Brazilian Grand Prix.

20:45 Lewis Hamilton holds aloft his prize after a great drive to third.

20:45 Robert Kubica takes his award for second place today. It was a gritty drive but Webber was always in control of the gap.

20:44 Race engineer Ciaron Pilbeam gets the constructors' trophy.

20:44 Webber takes the unique prize for victory in Brazil. He is delighted with his second career win.

20:43 The Austrian national anthem now plays for today's winning constructor, Red Bull Racing.

20:43 The three podium drivers step out onto the podium as 'Advance Australia Fayre' rings out over Interlagos following a great drive by the Red Bull pilot.

20:41 Button continues to celebrate wildly, helmet on, embracing everyone he can find.

20:41 Six drivers retired from the Brazilian Grand Prix:

Kazuki Nakajima was taken out of contention by Kamui Kobayashi - a move that will cause ructions in Japan.

Nico Rosberg trailed into the garage with smoke out the back of the car after a strong start to the race.

Nick Heidfeld amazingly ran out of fuel just before his pitstop.

Adrian Sutil, Jarno Trulli and Fernando Alonso were all involved in a big incident on the first lap as the pack sorted itself out.

20:40 The world champion runs down the pit lane and is mobbed by photographers.

20:39 Button makes it back to the pits and jumps out of his Brawn. He is immediately congratulated by team-mate Barrichello.

20:39 Heikki Kovalainen was ninth, out of the points. Kamui Kobayashi was 10th on his debut, with Fisichella 11th, Liuzzi 12th, Grosjean 13th and Alguersuari 14th and the last classified finisher.

20:39 Mark Webber heads into parc ferme as the delighted winner of the grand prix.

20:38 Button punches the air as he begins to reflect on securing his first world championship.

20:37 Kimi Raikkonen finished sixth for Ferrari with Buemi scoring two points in seventh and Barrichello eighth in the end.

20:37 Button is absolutely delighted as he sings 'We are the champions' over the radio.

20:37 There is jubilation in the Brawn garage as they celebrate both world championships.

20:36 Brawn GP is the 2009 Formula 1 world champion constructor!

20:36 But it is fifth for Jenson Button and that is all he needs after a dogged drive with some vital overtaking moves.

20:36 Vettel takes fourth for Red Bull after doing all he could from a lowly grid spot.

20:36 Jenson Button is the 2009 Formula 1 world champion!

20:35 Lewis Hamilton takes third after a brilliant drive from the back of the field, with a clever strategy change from the team paying off amid the first-lap chaos.

20:35 Robert Kubica takes a strong second for BMW with a stellar drive for his best result of the season.

20:35 Lap 71: Mark Webber wins in Brazil!

The Red Bull driver put in the pace when it mattered, leaping past Barrichello at the first stops and was then never challenged to the flag.

20:35 Lap 71: Mark Webber has just a few corners to go to claim his second victory of the season.

20:34 Lap 70: Button starts his last lap and is now less than three miles from the title.

20:34 Lap 70: Jenson Button is fifth and is about to cross the line as Mark Webber starts the last lap of the race.

20:33 Lap 70: Vettel is fourth and doing all he can to close down on the McLaren, but time is against him.

20:33 Lap 69: Mark Webber looks set for victory at Interlagos. The Australian has 8.4s over Robert Kubica. with Hamilton third.

20:31 Lap 68: Kobayashi takes over 10th place with Fisichella now 11th.

20:31 Lap 68: Kobayashi is still hounding Fisichella as they battle for 10th spot ... and he sends a good move up the inside of the Ferrari at Turn 1.

20:31 Lap 68: Button is warned of possible rain drops in the remaining laps as the skies are threatening around the circuit.

20:31 Lap 67: Hamilton holds the final podium place, which is vital points in McLaren's battle with Ferrari in the constructors' title.