In a statement, the London Fire Brigade said that 10 fire engines and around 70 firefighters were dispatched to a fire at a block of flats on Westbridge Road in Battersea, south London this evening. This came after it received a call just after 8pm that a flat on the 20th floor was alight.
It said that one woman had left the affected flat before the Brigade arrived.
The unnamed woman is being assessed for smoke inhalation at the scene, they added.
The cause of the fire is not known at this stage, the Brigade confirmed.
Station Commander Pete Johnson, who was at the scene, said: “Crews were faced with a lot of smoke issuing from the top of a block of flats on arrival.
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She wrote alongside it: “#WestbridgeRoad London another tower on fire hope people start leaving this building soon!”.
She added: “(The) whole road is blocked off, there’s still a lot of smoke but the flames seem to be disappearing from the top floor… hopefully it goes down completely soon.”
Twitter user Andrea E.L. Attipoe added: “Lots of firefighters coming through Battersea bridge, hopefully they control it soon!”
The Brigade’s 999 control officers said they had taken 18 calls to the blaze.
Fire crews from Battersea, Fulham, Wandsworth, North Kensington and surrounding fire stations are at the scene.
Other users wished the frontline workers well and thanked them for responding so quickly.
Lee Heppell tweeted: “Be safe ladies and gents.”
Liam Doyle wrote: “Stay safe all.”