Firefighters are tackling a blaze at a restaurant in London's Chinatown.
Six fire engines and 35 firefighters are at the scene of the blaze in the four-storey building on Gerrard Street, Soho.
London Fire Brigade has advised people to avoid the area.
The fire is affecting part of the basement kitchen, the restaurant's ducting - its extraction system - between the ground floor and the roof, and part of the roof, London Fire Brigade said.
A brigade spokeswoman said there are as yet no reports of any injuries.
She added that firefighters were called at around 12.10pm. Crews from Soho, Euston, Dowgate, Whitechapel, Chelsea and Paddington fire stations are at the scene.
Police and the ambulance service are also in attendance.
The cause of the fire is not known at this stage.