Gardaíare investigating the discovery of a body of a man in Tallaght in Co Dublin on Monday.
The man was found at a house in Newhall Court shortly after 4pm. Emergency services and gardaíattended the scene but he was pronounced dead a short time later.
The deceased was understood to be in his 40s and originally from Lithuania.
His body remains at the scene, which was being preserved pending a forensic and technical examination. The Office of the State Pathologist and Garda Technical Bureau have been notified.
The course of the Garda investigation will be determined by the outcome of a postmortem examination.
Inquiries are ongoing.