Fire crews attended a series of arson attacks on cars in Peterborough on Bank Holiday Monday.
Crews were called to Thorney Road in Eye at 1.30am and used a hose reel to extinguish the blaze.
Then at 5.09am firefighters from Stanground were called to a car fire in Peterborough Road, Whittlesey.
Firefighters wearing breathing apparatus used hose reels to extinguish three cars that were on fire to the rear of a car sales premises.
At 10am a crew from Dogsthorpe was called to a car fire in Norwood Lane, Paston Ridings.
Firefighters used hose reels to extinguish a fire involving a derelict car.
The cause of all the fires was deliberate.
Anyone with information about the incident should contact the police on 101 or Crimestoppers anonymously on 0800 555111