A man's being treated in hospital, after being shot by police in Walthamstow.
Officers were called out to Hale End Road, at around 8:15pm, following reports that a man had been seen carrying a handgun.
Shots were fired at the man by police officers. First aid was provided at the scene before the London Ambulance Service arrived.
The Met's Directorate of Professional Standards has been informed and the IPCC will also be notified as a matter of course.
More top news
As Christians communities prepare to mark Holy Week, find out the true meaning behind the Easter story and how each day will be celebrated.
More than 200 people are expected at London's first Muslim Youth Festival which will look at stopping the radicalisation of young Britons.
A report by a London university has found that chief police officers use "predatory" behaviour towards junior staff.