Police were called by London Ambulance Service at 7.30pm on Friday, 29 December to a stabbing near Gaymead, in Abbey estate, Abbey Road, NW8.
Officers responded and found a 29-year-old man injured. They administered first aid before he was taken to a west London hospital; despite the best efforts of medical staff, he was pronounced dead at 9.55pm
His next of kin are aware. A post-mortem examination will be held in due course.
A crime scene is in place and officers are working to establish what happened.
Homicide detectives from the Met’s Specialist Crime Command have been informed and are leading the investigation.
There have been no arrests at this early stage.
Detective Chief Inspector Neil Rawlinson, leading the investigation, said: “We would like to speak to anyone who was in the area of Abbey estate on Friday night between 7 and 8pm, who may have seen or heard something they believe could be connected to this fatal stabbing.
Another family have been left grieving the loss of a loved one due to knife crime. My team of detectives are working around the clock to identify and arrest the person responsible.”
If you can help the police with information or material, call 101 or post @MetCC ref