Six fire engines and around 40 firefighters responded to a fire on Medawar Drive in Mill Hill this morning (11 September).
Crews responded to a fire in the boiler room of a residential block of flats.
The Brigade was first called at 09:05am, and the incident was under control by 10:18am
Crews from Mill Hill, Finchley, Hendon and surrounding fire stations are in attendance.
The cause of the fire is under investigation
