Arsonists set fire to a derelict building in Wisbech last night. 

Fire crews were called to the blaze on West Street at 7.34pm on Tuesday November 7.

Firefighters arrived to find a fire within a derelict building.

Wearing breathing apparatus, they used a hose reel to extinguish the fire and cleared the smoke using a positive pressure ventilation fan.

The crews returned to their station by 8.35pm.

The cause of the fire is believed to be deliberate.

Anyone with information should contact police by visiting to submit an online report or call Crimestoppers on 0800 555111.