Six fire engines and around 40 firefighters were called to a fire at a house on Saxon Road in Southall.
On arrival crews were faced with a fire on the first floor of the house. Three children and one woman were rescued from the first floor by crews wearing breathing apparatus. They were treated at the scene and taken to hospital by London Ambulance Service crews (LAS). Sadly, one of the children later died in hospital.
One further male who left the property before arrival of the Brigade was also treated on scene by LAS and then taken to hospital.
A further four men and one woman left the property before arrival of the Brigade and were treated on scene by LAS, two of whom, a man and a woman, were removed to hospital.
Half of the first floor of the terraced house was damaged by the fire.
The Brigade was called at 2354 and the fire was under control by 0041.
Fire crews from Ealing, Hillingdon, Southall and Hayes fire stations attended the scene.
The cause of the fire is under investigation by the Metropolitan Police and the London Fire Brigade’s Fire Investigation Team.