On Thursday (31) at 6.13pm a crew from Wisbech was called to a fire in the open on Lynn Road, Wisbech.
The crew arrived to find a TV set on fire in the middle of a bandstand.
Firefighters used one hose reel and small gear to extinguish the fire before returning to their station by 6.55pm.
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.