At midday on Tuesday (22) one crew from Huntingdon was called to a fire on Van Dyke Place in St Ives.
Firefighters arrived to find a fire involving a hedge and extinguished it using a hose reel. They returned to their station by 12.50pm.
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.