A huge fire has broken out at an electrical substation in west London.
Around 100 firefighters were tackling the blaze on Aberdeen Place in Maida Vale, where an electrical transformer was alight.
The roof of a neighbouring residential building was also alight, the London Fire Brigade said. Around 80 people have been evacuated from their homes.
Pictures from the surrounding areas show thick black smoke bellowing across the city’s skyline.
The fire brigade received more than 170 calls about the blaze from around 5.30am on Tuesday. Fifteen fire engines attended the scene.
“This is a very visible fire, which is producing lots of smoke,” said station commander Paul Morgan.
“Residents are advised to keep their windows and doors shut and avoid the area where possible.”
Fire crews from Paddington, Euston and other stations were fighting the fire.
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It is not known what has caused the blaze.
It comes a month after Heathrow was shut down following a fire at a nearby electrical substation.
The Metropolitan Police said it was not treating that fire as a criminal matter after more than 1,000 flights were cancelled and hundreds of thousands of passengers affected.
Shirin Valipour, a resident who lives near the substation, said she noticed a black cloud at around 6.15am but saw “no flames”.
“It then built up rapidly with raging flames by 7.30am. At that time we were thinking of actually leaving, they managed to bring it under control by 8.30am and we’re so grateful to the brave firemen who were in the middle of the smoke,” she added.