A 20-year-old man has died following a double stabbing in north-west London.
Police were called at around 11.45pm on Thursday to Boundary Road in South Hampstead.
Officers found a 20-year-old man and a 22-year-old man suffering stab injuries.
Both men were taken to hospital, where the younger man was pronounced dead, police said.
Officers believe they know his identity and are informing his next of kin.
A post-mortem examination and formal identification will follow.
The 22-year-old man is not thought to have been critically injured.
No arrests have yet been made, police said.
Anyone with information is asked to call police on 101 quoting CAD 10016/july25, or Crimestoppers, anonymously, on 0800 555 111.
