Dense clouds of smoke cover London from a fire that broke out at the Mandarin Oriental Hotel in the Knightsbridge area.
At least 100 firefighters with 15 vehicles are operating at the scene.
The causes of the fire remain unknown.
Large clouds of smoke have risen in the sky, while the fire brigade has received more than 35 calls for fire.
The hotel has 12 floors, while so far there is no information about trapped.