Stefan Appleton, 18, the murder victim. Image: Met Police

Detectives investigating the murder of 18-year-old Stefan Appleton in Islington have made five arrests.

On Saturday, 13th June, police officers arrested a 16-year-old boy on suspicion of murder.

He currently remains in custody at a north London police station.

In the early hours of Sunday, 14th June, detectives executed a warrant at an address in Holloway and arrested another 16-year-old boy on suspicion of murder.

He currently remains in custody at a north London police station.

Three more 16-year-old boys were arrested at the same address on suspicion of robbery and attempting to pervert the course of justice.

They currently remain in custody at an east London police station.

Stefan Appleton was found with fatal stab injuries after 6 pm on Wednesday, 10th June in Caldy Walk.

He died shortly after being taken to hospital.

A post-mortem examination held Friday 12th June at Poplar Mortuary gave the cause of death as shock and haemorrhage, and a stab wound to the chest.

Detectives have established that Stefan was in Nightingale Park with friends when two youths pulled up on a moped.

The pillion passenger on the moped attacked Stefan – stabbing him a number of times with a large bladed knife before making off on the moped along Nightingale Road.

Detectives previously appealed to trace the whereabouts of the moped.

This vehicle has now been located.

An incident room has opened at Barking under Detective Chief Inspector Chris Jones from the Homicide and Major Crime Command (HMCC).

Anyone who witnessed the incident or anyone with any information are asked to call the incident room on 020 8345 3734 or call Crimestoppers anonymously on 0800 555 111