Detectives investigating the fatal stabbing of 19-year-old Lewis Blackman in Kensington have charged a fourth person.
A 16-year-old boy [G] was arrested on Monday, 5 March and charged with murder on Tuesday, 6 March.
He appeared in custody at Wimbledon Magistrates' Court on Tuesday, 6 March and will next appear at the Old Bailey on Thursday, 8 March.
Detectives from the Met's Homicide and Major Crime Command are investigating. Anyone with information is asked to call the incident room on 020 8721 4054 or Crimestoppers anonymously on 0800 555 111.