Fifteen fire engines and around 100 firefighters were called to a fire at an electrical substation on Aberdeen Place, NW8.
Four fire engines responded to a fire on Shoot Up Hill, West Hampstead.
Four fire engines and around 25 firefighters were called to a fire at a flat on Langham Street in Westminster.
Firefighters have issued a reminder of their smoking safety advice after a warehouse fire on River Road in Barking.
Firefighters used fire escape hoods to rescue three people from a building in Greenwich.
Firefighters have issued another warning to smokers after a fire at the rear of a laundrette on Green Lanes in Hornsey.
Four fire engines attended a house fire in South Harrow.
Four fire engines and around 25 firefighters were called to a fire on the top floor of block of flats on Loddiges Road in Hackney.
Four fire engines and around 25 firefighters have been called to a fire in a car park on Kymberley Road in Harrow.
Six fire engines responded to a fire on Queensway, Bayswater.