Another man was arrested at the scene of the incident.
A man in his 40s has died in an assault in Limerick city.
Another man was arrested at the scene of the incident in the early hours of this morning.
Gardaí responded to reports of an incident at a house on Sarsfield Avenue in Garryowen at about 4.45 this morning.
There they found a man in his 40s unresponsive outside the property. He was pronounced dead at the scene.
Another man in his 40s was arrested at the scene - he's being questioned at a garda station in Limerick.
The State Pathologist has been notified and a post-mortem will take place in due course.
Gardaí are appealing to anyone who was in the area between 4 o'clock and 5.15 this morning, especially those with camera footage, to come forward.