At 9pm on Thursday (27) one crew from Cambridge was called to a fire on Cyprus Road in Romsey ward, Cambridge.
Firefighters arrived to find a van on fire. Wearing breathing apparatus they extinguished the fire using a hose reel and returned to their station by 10pm.
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.