A teenager has been charged with the murder of an 18-year-old man at a knife awareness course in west London.
Police were called at 4.38pm on Thursday to reports of a stabbing at the youth offending service in Hillingdon Civic Centre.
Officers and London Ambulance Service attended and found 18-year-old Hakim Ishmael Daba Sillah with a critical stab injury.
Mr Sillah was taken to a west London hospital where he died at 5.25pm.
A 17-year-old boy arrested on suspicion of murder has now been charged and will appear before Uxbridge Magistrates’ Court on Saturday.
Mr Sillah’s next of kin continue to be supported by specialist officers, and a post-mortem examination will take place.
A second male suffered a stab wound during the incident. His injuries were not life-threatening.
Anyone who witnessed this incident or has information is asked to call police on 020 8785 8099, tweet @MetCC or call Crimestoppers anonymously on 0800 555 111.