Three men arrested in connection with the fatal stabbing of a man in Neasden have been released under investigation, while a fourth faces no further action.
Police were called to reports of a large fight near the junction of Review Road and Heather Road at around 11.30pm on February 24.
Officers attending found a man - since named by police as 41-year-old Yehya Al-Youssef - suffering from stab injuries.
He was pronounced dead at the scene shortly after midnight.
A subsequent post-mortem examination confirmed the cause of death as stab wounds.
Four men - aged 22, 57, 21 and 41 - were arrested on suspicion of murder as part of the investigation.
All four were bailed pending further enquiries.
The 22-year-old man has since been released with no further action.
The other three men have been released under investigation.
Detectives urge anyone who was in the area at the time of the incident to contact the police on on 101 or tweet @MetCC with the reference 7991/24FEB.
Or contact Crimestoppers, anonymously on 0800 555 111.
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