Four people have been arrested after a man was stabbed to death in Wembley Park.
Hamza Iqbal, 25, who lived in Brent, was allegedly chased and then attacked by a group of people in Olympic Way on September 24.
Police discovered him with stab injuries after being called to the area just after 11pm.
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They immediately began CPR ahead of the arrival of paramedics from the London Ambulance Service, who continued to treat him.
Mr Iqbal was taken by ambulance to a north London hospital, but was pronounced dead shortly after arrival.
His next of kin are aware and a post mortem examination will be held in due course.
Three men have been arrested on suspicion of murder and a woman has been arrested on suspicion of assisting an offender.
All remain in custody.
Anyone with information which could assist the investigation team should call the incident room on 0208 345 3715 or 101 - quoting CAD7764/24Sep.
Alteratively contact Crimestoppers anonymously on 0800 555 111.
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