A man was shot dead by police near Westminster on Sunday (March 8) after he brandished two knives in front of officers.
Footage from the early hours of Monday (March 9) shows the police cordon that has been set up.
Scotland Yard confirmed that the incident is not being treated as terror related.
The Met said in a statement: "Police officers were on patrol at around 23:25hrs on Sunday, 8 March when they noticed a man who they believed to be acting suspiciously.
"Officers challenged the man who produced two knives.
"Armed officers responded. TASER and a police firearm were discharged during the incident.
"London Ambulance Service attended and the man was pronounced dead at the scene at Great Scotland Yard short time later.
"No police officers or members of the public were injured during the incident.
"Enquiries into the circumstances remain ongoing.
"The incident is not being treated as terrorism.
"Road closures remain in place around the area.
"The Directorate of Professional Standards and the IOPC has been informed."
