Gardai in Dun Laoghaire are investigating the discovery of the body a man in a laneway in Dalkey this morning.
The body was discovered at approximately 8.30am in a lane way that leads to an Apartment block just off Convent road in Dalkey.
The man is understood to be in his 30s and sustained a puncture wound to his abdomen.
The body remains at the scene and the area has been sealed off for a Technical examination.
The office of the State Pathologist has been notified.