Two people were treated for smoke inhalation after a flat fire on Kirkgate Street in Walsoken, Wisbech.
Firefighters were called at 1.13pm on Thursday, April 2.
One crew from Wisbech and one crew from King Lynn South in Norfolk arrived to find a fire in a flat measuring around 20 by 10 metres.
Wearing breathing apparatus they extinguished the fire using a hose reel before the two casualties were treated at the scene.
The crews returned to their stations by 2.40pm.
The cause of the fire was accidental.