At 5.10pm on Monday (27) one crew from Ely and one crew from Chatteris were called to a road traffic collision on the A142 near Mepal.
Firefighters arrived to find two cars had collided head on. Using specialist cutting equipment they released four casualties who were left in the care of ambulance crews.
One casualty sadly died at the scene.
The crews returned to their stations by 2.25am.