At 9.18am on Tuesday (31) one crew from Cottenham and two crews from Cambridge were called to a fire on High Street in Cottenham.
Firefighters arrived to find a fire in a building used as a mechanics workshop. Wearing breathing apparatus they extinguished the fire using a hose reel and cleared the smoke using a positive pressure ventilation fan.
The crews returned to their stations by 11.20am.
The cause of the fire was accidental.