A 15-year-old boy has been arrested after a teenager was stabbed to death in north London.
The boy was detained on suspicion of murder following the death of an 18-year-old in Neasden on Friday afternoon.
Emergency services were called to reports of a stabbing in Tanfield Avenue shortly before 4pm.
Medics fought to save the victim but he was pronounced dead at the scene.
Police said his next of kin have been informed and a post-mortem examination will take place in due course.
A Met Police spokesman said: “Police were called at 15:50hrs on Friday, 6 October, to reports of a male stabbed in Tanfield Avenue, NW10.
“Officers and London Ambulance Service attended the location and found an 18-year-old male suffering from multiple stab wounds.
“Despite the efforts of attending officers and LAS crews, he died at the scene.”
A crowd reportedly gathered around the victim soon after the attack and detectives are appealing for those who witnessed what happened or saw those involved leaving the scene after the attack to get in contact.
Any witnesses, or anyone with any information, are urged to contact the incident room on 020 8785 8244.
To give information anonymously call Crimestoppers on 0800 555 111 or visit crimestoppers-uk.org.