Eight fire engines and around 60 firefighters have been called to a fire in an office building in Chancery Lane in Holborn. It understood to be the offices of the Law Society.
Firefighters are currently tackling a fire in the four storey building where part of the roof is alight and an Ariel Platform has been deployed.
The Brigade was called at 10:40pm. Fire crews from Soho, Dowgate, Euston, Islington and Lambeth fire stations are at the scene.
The cause of the fire is not known at this stage.