Four fire engines and around 25 firefighters were called to a fire at a house on Topsham Road in Tooting.
Part of the ground floor of a mid-terraced house was damaged by fire. Two men and a woman left the building before the Brigade arrived. Firefighters wearing breathing apparatus rescued one woman from the first floor of the building via an internal staircase. One man and two women were treated on scene by London Ambulance Service crews and both women were taken to hospital.
The Brigade was called at 2217 and the fire was under control by 0002 (Friday). Fire crews from Tooting, Wimbledon and Norbury fire stations attended the scene.
The cause of the fire is under investigation by the Brigade and the Metropolitan Police Service.