Police are appealing for witnesses after a man was seriously assaulted in Kilburn.
Officers were called on Sunday, 16 August at approximately 16:20hrs to reports of a disturbance at Kilburn High Street, NW6 at the junction with Oxford Road.
Officers attended the scene and established that the victim, aged 24 had been taken to hospital by another man.
Officers attended hospital where they found the man being treated for a stab wound to his chest.
He remains in hospital in a serious but stable condition.
The suspect is described as a black man, in his late 20s, with short black hair, dressed in a grey hooded top, grey tracksuit bottoms and white trainers.
Detective Inspector Glenn Butler, from the Met's Trident and Area Crime Command said:
"I am keen to trace any witnesses who may have seen a fight Kilburn High Road at the junction with Oxford Road. The victim was seriously injured and lost a significant amount of blood. If you saw a fight or a man dressed in grey running from the scene then please contact us".
Detectives urge anyone who has information about the incident to contact them on 020 8358 0711 or to contact Crimestoppers anonymously on 0800 555 111. Or call 101 quoting reference 1918993/15.