About 125 firefighters have been called to the blaze
About 100 people have been evacuated from a five-star hotel in central London as a fire continues to burn through the building.
Twenty fire engines and about 125 firefighters were called to tackle the blaze at Chiltern Firehouse in Marylebone, London Fire Brigade (LFB) said.
The fire started at about 14:50 GMT and was located in ducting leading from the ground floor to the roof of the luxury four-storey hotel, which has a restaurant on the ground floor. A plant room at roof level is also alight, LFB said.
Chiltern Firehouse is known for being frequented by celebrities and was the location of Kylie Minogue's 50th birthday party in 2018.
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The brigade said the fire was located in ducting leading from the ground floor to the roof of the luxury four-storey hotel
Crews from Euston, Soho, Paddington, West Hampstead, Kensington and Chelsea fire stations were deployed and remain on scene, LFB added. The cause of the blaze is not yet known.