There were reports of a car on fire on Huntingdon ring road, emergency services are at the scene.
Cambridgeshire Fire and Rescue have confirmed that the cause of the fire was accidental.
In a statement Cambridgeshire Fire and Rescue said: “At 8.41am on Wednesday, November 18, a crew from Huntingdon was called to a fire on Walden Road in Huntingdon.
“Firefighters arrived to find a car well alight.
“Wearing breathing apparatus they extinguished the fire using hose reels and returned to their station by 9.45am.”