A teenage boy was charged with murder following a fatal knife attack in East London on Monday.
He was also charged with possession of a knife in a public place and breach of a Criminal Behaviour Order.
The Metropolitan police said the unnamed 14-year-old was charged on Friday morning and is due to appear at Stratford Youth Court later on Friday.
Two other teenagers—a 14-year-old boy who was arrested on suspicion of conspiracy to murder and a 16-year-old girl who was arrested on suspicion of assisting an offender—have been released under investigation.
The teens were involved in a stabbing on Monday, in which 45-year-old James Markham was stabbed to death.
The Met has previously said they believe Markham was attacked on Monday evening after he confronted a group of youths causing a disturbance.
Emergency services found Markham seriously injured when they arrived and he was soon pronounced dead at the scene “despite the best efforts of the emergency services and members of the public.”
A post-mortem examination found he died of a stab wound to the lung.
Detective Inspector John Marriott of the Met’s specialist crime command has previously said that the brutality of the teenagers’ response was “beyond shocking.”
Police continued to appeal to witnesses to come forward.
PA contributed to this report.