Six fire engines and around 40 firefighters have been called to a balcony flat fire on Lyell Street in Poplar.
A small part of decking on a balcony was damaged by fire. The balcony was part of a flat on the tenth floor of the building.
The Brigade was called at 0804 and the incident was over by 0907. Fire crews from Poplar, Plaistow, Millwall, Shadwell, Stratford and Greenwich fire stations were at the scene.
The cause of the fire is under investigation.