Firefighters from Huntingdon, Sawtry and St Neots were called to Cohort Way at about 7am and arrived. to find a fire in a single storey industrial unit, measuring around 330sqm. A spokesman for Cambridgeshire Fire and Rescue Service said: The building was heavily smoke logged. Wearing breathing apparatus the crews extinguished the fire using a hose reel and a jet and cleared the smoke using a positive pressure ventilation fan. An investigation revealed that the cause of the fire was accidental.