Detectives investigating a double murder and attempted murder in Islington have made a further arrest.
A 26-year-old man [D] was arrested on suspicion of murder on Wednesday, 5 July and remains in custody at a north London police station.
An investigation was launched after police were called at 23:33hrs on Thursday, 29 June to Elthorne Road, N19 to reports of a stabbing.
Officers responded with paramedics from the London Ambulance Service.
A 15-year-old boy was found with stab wounds. Despite the efforts of medical staff he was sadly pronounced dead at the scene, just after midnight.
He has been named as Leonardo Reid from Islington.
It was established that another victim, a 23-year-old man, had also suffered stab injuries. He had been taken to a west London hospital, where he too was pronounced dead.
Special post-mortem examinations for both victims have given a provisional cause of death as a stab wound to the chest.
Both families continue to be supported by specially trained officers.
A third victim, believed aged 28, was also located at an address in N19. He had suffered a stab wound. He was taken to a north London hospital where he remains. His condition is not thought to be life threatening.
Detectives from the Specialist Crime Command are leading the investigation, supported by colleagues from the Central North Command Unit.
A 46-year-old man [A] was arrested on the afternoon of Saturday, 1 July on suspicion of murder and attempted murder. He was taken to a north London police station and was subsequently released with no further action.
On 3 July a 27-year-old man [B] and a 17-year-old male [C] were arrested. [B] has been charged; [C] has been bailed pending further enquiries.
Anyone who has information that could help police should call 101 or tweet @MetCC quoting reference CAD 9383/29Jun.
To remain 100% anonymous please call the independent charity Crimestoppers on 0800 555 111.
