The victim of yesterday’s fatal stabbing on O’Connell Street in Dublin city centre has been named as Peter Donnelly.

The 39-year old from Kilkenny was stabbed at around 1.40am in the early hours of Tuesday.

A garda who was on beat duty in the city centre observed two men together and asked that they be monitored on CCTV in the area.

The men became embroiled in an altercation and an officer immediately responded.

On arrival, the victim had been stabbed and the garda and members of the public gave him first aid.

The victim was taken to the Mater Hospital but was pronounced dead shortly after.

A large section of O’Connell Street and part of adjoining Cathal Brugha Street were sealed for forensic examination, shutting shops and closing the roads to traffic until mid-afternoon.

A 28-year-old man was arrested nearby and remains in Garda custod