Three teenagers have been arrested on suspicion of murder after a teenager was stabbed.

Police were called to a report of an assault in Caledonian Road, near the junction with Tilloch Street, Islington, at 6.49pm on Tuesday.

A 17-year-old boy, who has not been identified, was pronounced dead at the scene.

Two boys aged 16 and 17, who were arrested near the area, have been taken into custody at a north London police station.

A man, aged 18, was arrested at an address in Islington.

Emergency vehicles, including a police van and ambulances, were at the scene of the incident, which was cordoned off to the public.

A Section 60 stop and search order, which allows police to search anyone in a given area, was put in place until 3am on Wednesday, covering much of Islington, Clerkenwell, Finsbury Park and Bloomsbury.

Anyone with information is asked to call police on 101 or Crimestoppers aonymously on 0800 555111.

Detective Chief Inspector Mark Wrigley said: “This fatal knife attack took place just before 7pm in a area when lots of people would have been passing through the area on foot and in cars.

“We have had reports of people seen running around and on pedal bikes near Caledonian Road junction with Tilloch Street, N1, before and just after 7pm. Were you there? Did you see anything suspicious? Did you record footage before or after the attack or have your vehicle’s dashcam on?

“We need to hear from you to help build a clearer picture of what unfolded.”

Temporary Chief Superintendent Nick Davies said police patrols will be stepped up in the area.

He said: “Tragically the local community is now coming to terms with the senseless loss of life of a young man who had everything to live for. This teenage victim lived in Islington.

“The investigation continues apace. My officers and those from the Homicide and Major Crime Command are carrying out a number of detailed forensic and CCTV footage related inquiries.

“I completely understand the alarm and concern it has raised from those who live and work in the area. I would urge anyone with information on the attack to contact police without delay.”