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 favoured by celebrities who are regularly pictured on their way to dine at the downstairs restaurant.
Fire crews from Euston, Soho, Paddington, West Hampstead, Kensington and Chelsea fire stations were deployed and remain on scene, LFB added. The cause of the fire is not yet known.
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