Firefighters have brought the blaze at an industrial bakery in Tottenham under control.
The fire was brought under control early on Sunday morning.
London Fire Brigade said that there continued to be some smoke as they damped down the remains of the fire, and advised residents in the area to keep doors and windows shut.
More top news
Pc Andrew Harper, 28, died following a ‘serious incident’ on Thursday.
She was brought in for treatment in the artificial sea on Libong Island in Krabi province.
Teachers say they want to show their support for the protesters, many of whom are students.