Detectives are appealing for information after a man was shot in Brent.
Police were called by the London Ambulance Service at approximately 20:43hrs on Thursday, 31 May to reports of a man suffering from gunshot injuries on Lawrence Avenue in Brent.
Officers and London Ambulance Service (LAS) attended.
The injured 24-year-old man was taken to a central London hospital by LAS where he remains in a critical condition.
A crime scene remains in place.
There have been no arrests and enquiries continue.
Detective Sergeant Lee Janes, of Trident and Area Crime, Command, said: "I want to assure the community that we are doing everything we can to catch those responsible.
"At this early stage we believe multiple suspects were involved and are retaining an open mind as to any motive".
"I know there were many witnesses at the scene and I would urge anyone, who hasn't come forward already, to get in touch."
Anyone who witnessed the incident or has any information should call Trident officers by calling 101 and quoting CAD 7921/31MAY. To remain anonymous call Crimestoppers on 0800 555 111.