He was James Sweeney, 30 a 30-year old shop worker, originally from Montserrat, who lived at Lea View House, Jessam Avenue, Upper Clapton.

Detectives investigating the fatal stabbing of a man in Upper Clapton on Saturday night have formally identified the victim.

A post-mortem examination at Poplar mortuary today concluded he died of stab wounds to the chest and abdomen.

Police were called at 9.10pm on Saturday night to a flat in Lea View House to reports of an injured man.

Mr Sweeney was found suffering from stab wounds was pronounced dead at the scene. His next of kin have been informed.

An argument had taken place between the three men outside the north-east London address at about 4pm that day, according to police.

Two men were arrested on suspicion of murder on Saturday, including a 29-year-old, who has been discharged from hospital where he was being treated for stab wounds and is now in custody at an east London police station.

The other, 45, has now been bailed to return on 10 June pending further inquiries, along with a 21-year-old man arrested yesterday in the Clapton area on suspicion of murder.

An incident room has opened under Det Ch Insp Neale Baldock of the Homicide and Serious Crime Command.

Officers continue to appeal for anyone who was in the Jessam Avenue area between 3pm and 9pm on Saturday to come forward.

Contact police on 0208 345 1570.

To remain anonymous can call Crimestoppers on 0800 555 111.