Police have begun their security operation for the British Formula One Grand Prix at Silverstone.
More than 300,000 racing fans are expected to attend the Northamptonshire racing circuit over the next four days.
Armed officers will be in attendance at the event.
People going are being warned it may take longer to get into the circuit because of security checks.
We have police officers, PCSOs, specials and police staff working in many varied roles throughout the weekend to ensure racegoers have a great time in a safe environment.
They will be taking part in regular patrols of the circuit and campsites, as well as operating a ports service at the heliport, recording crime, monitoring traffic flow and engaging with spectators.
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Nigel Mansell has congratulated Lewis Hamilton on becoming the first British driver in Formula 1 history to win 32 Grands Prix.
Brilliant for Lewis and Merc.Nico put up a strong fight but Lewis did a fantastic job many Congratulations 5 wins on trot 32 Wins altogether
Hamilton, who currently leads the F1 World Championship by 24 points with two rounds remaining, beat Mansell's long-standing British record of 31 wins with victory in yesterday's United States Grand Prix in Austin, Texas.
The 1992 World Champion, who was born in Upton-on-Severn in Worcestershire, held the British record for over two decades.
A Northamptonshire team is hoping for success at the British Grand Prix this weekend.
Click above to watch a short clip from Sahara Force India's Chief Operating Officer Otmar Szafnauer.
There will be a number of road closures for the British Grand Prix at Silverstone this weekend.
- The A43 will be closed to through traffic from 5am-9pm 4th/5th/6th July between Towcester and Welsh Lane (B4525)
- Local diversions will be managed by the Highways Agency
- Local residents will have been sent leaflets detailing the diversions
Hundreds of thousands of people will be travelling to Northamptonshire for what is the largest event in the UK. We will be monitoring traffic levels throughout the weekend. If you are travelling to the Grand Prix please adhere to signage as you approach the circuit as local road closures and diversions will be in place.
For more details on road closures, go to the Highways Agency website.
The British Grand Prix takes place at Silverstone in Northamptonshire this weekend.
One of the teams hoping their drivers will come out on top are based closest to the circuit, Sahara Force India, and they're looking for a strong showing on Sunday.
Chief Operating Officer at Sahara Force India, Otmar Szafnauer said. "Last year we finished 6th, so our objective is to be 5th or higher this year and I think we're well on our way to achieving that, although it's early and there's still a lot of races left."
The British Grand Prix takes place at Silverstone this weekend, and the team based closest to the circuit are hoping one of their drivers will come out on top.
Sahara Force India has been at the home of British motorsport for seven years and know that a strong showing on Sunday will help them to keep on growing.