Six fire engines and around 40 firefighters attended an incident at a supermarket on Broadway in Bexleyheath.
An over-running generator in the lower ground floor boiler room of the two-storey supermarket was isolated by Brigade crews. The supermarket was safely evacuated and there were no reports of any injuries.
The Brigade's 999 Control Officers were first called about this incident at 1719 and mobilised crews from Bexley, Erith, Plumstead and surrounding fire stations to the scene. The incident was over for firefighters by 1921.