Police are appealing for witnesses after two men were stabbed during a street fight in Wembley.
Detectives believe the victims, aged 29 and 31, were knifed during the brawl in London Road in the early hours of February 14.
Despite their injuries they managed to walk to nearby Wembley High Road where they were found by police officers who had been called to the scene.
Both were treated by medics on the street before they were taken to hospital.
They have since been discharged.
Detectives at Brent CID arrested four men aged 24, 30, 32 and 38.
All have been bailed to return to a police station next month
Anyone with information is asked to call 101 or Crimestoppers anonymously on 0800 555 111.
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