A teenager has been stabbed to death in North London, sparking a murder enquiry.
The unnamed man is the ninth fatality from violence stabbing victim in London since 1 January.
The Met Police have not released his identity, as his next of kin have yet to be informed.
Police were called to the scene in Wood Green and found a 19-year-old man with stab wounds, who was taken to hospital. He has been discharged and is in police custody.
Subsequently, the Met were notified that an 18-year-old man had been admitted to a hospital in North London with serious knife wounds. He died in hospital.
The 19-year-old man has been arrested under suspicion of the 18-year-old's murder.
The 18-year-old's death comes after Bilal Mirza, 18, was fatally stabbed in the thigh, in Salisbury Street, Marylebone, late on Thursday night.
A 16-year-old boy, who cannot be named for legal reasons, is expected to appear in Westminster Magistrates' Court today, charged with Mirza's murder.
Police has appealed for anyone with information about the attack to come forward.
Detective Chief Inspector Noel McHugh said: "My condolences are with Bilal's family at this tragic time, and our investigation continues to evidence exactly what took place and led to his death.
"Whilst we have had good support from local community affected by this violent crime, and a number of witnesses come forward, I continue my appeals for more people, especially young people, to come forward.
"I know that there were several youths in the area at the time of the stabbing and I am appealing directly to them to come forward and speak with officers. They can be assured that any call they make to us will be treated in the strictest of confidence.
"If you were in the area and saw what happened please call our incident room."
The Met Police has asked witnesses and anyone else with information on the Wood Green stabbings to call its incident room on 0208 345 3775. Anyone with information on Mirza's murder is asked to call its incident room on 020 8785 8099.
Alternatively, information can be given anonymously to Crimestoppers on 0800 555 111 or via www.crimestoppers-uk.org.