The body of a man aged in his 40s was discovered in Tallaght last night.
Gardaí in Tallaght are investigating all the circumstances surrounding the discovery at a house in Ellensborough Lodge, Tallaght at around 4.30am.
The scene has been preserved for a technical examination.
The office of the State Pathologist has been notified.
A post mortem is due to take place this afternoon in Tallaght Hospital.