At 14:31hrs on Friday 5 August police received multiple 999 reports of a man with a firearm in Creek Road, SE8.
Firearms officers attended the scene. The man was located. A police firearm was discharged and the man sustained a gunshot injury.
London Ambulance Service and the Air Ambulance also attended. He was treated at the scene before being taken to hospital. His injuries are not believed to be life threatening.
No other injuries have been reported. Significant cordons are in place. We ask members of the public to avoid the area.
While the investigation is in its early stages, this incident is not believed to be terror related or that there is an ongoing threat to the wider public.
The Directorate of Professional Standards and the Independent Office for Police Conduct have been informed and an independent investigation has been launched.