A man has been shot dead by police after claiming he had a firearm.
Armed officers attended the scene in Collier Row in Romford, east London, in the early hours of Monday.
Scotland Yard said it was called at 3.50am by a man making threats and claiming he was in possession of a firearm.
At around 4.45am a man believed to be in his 40s was shot by police near Collier Row Road and Lodge Lane.
He was pronounced dead at the scene about half an hour later.
The Directorate of Professional Standards has been informed and a mandatory referral has been made to the police watchdog, the Independent Office for Police Conduct (IOPC).
A spokesman for the IOPC said: "We are investigating a fatal police shooting in Romford this morning.
"We were notified of the incident in Collier Row Road, Romford, by the MPS (Metroplitan Police Service) earlier this morning.
"We have deployed investigators to the scene and to police post-incident procedure to begin inquiries."