At 11.25pm on Saturday (20) one crew from Dogsthorpe and one crew from Stanground were called to a fire on Hill Close in Eastfield, Peterborough.
Firefighters arrived to find a well-developed fire involving a car and a van. Wearing breathing apparatus they extinguished the fire using hose reels and returned to their stations by 12.45am.
The cause of the fire was deliberate. Anyone with information should contact police by visiting www.cambs.police.uk to submit an online report or call Crimestoppers on 0800 555111.