UPDATE (12pm): A woman in her 40s has been arrested and is currently being detained at Dún Laoghaire Garda Station under Section 4 of the Criminal Justice Act 1984.
GARDAÍ investigating the discovery of a man's body at a house in southeast Dublin last night are treating his death as suspicious.
The man, aged in his 20s, was found dead at a property in Tudor Lawns, Foxrock at around 11.30pm on Thursday.
Detectives are treating his death as suspicious due to the nature of his injuries.
The exact nature of the injuries suffered by the victim remain unclear.
It is understood that a number of people were socialising at the home in Foxrock last night.
The body of the deceased remained at the scene this morning which has been preserved for a technical examination by investigators.
The office of the State Pathologist has been notified.
Gardaí are appealing for anyone who may have seen anything unusual in the area late last night to contact Cabinteely Garda Station on 01 666 5400, the Garda Confidential Line on 1800 666 111 or any Garda station.