Murder probe after man found with head injuries dies in hospital
A murder investigation has been launched following the death of a 20-year-old man who was found in Tallaght with head injuries nearly two weeks ago.
The man was discovered seriously injured on the Old Blessington Road at 3am on November 1.
He was taken to Tallaght Hospital for treatment and then moved to Beaumont Hospital.
Garda said the man died on Monday as a result of his injuries.
A post-mortem examination was carried out and gardai have upgraded their investigation to murder.
A 20-year-old man was arrested in the Tallaght area on Monday afternoon in relation to the investigation.
He is detained at Tallaght Garda Station under Section 4 of the Criminal Justice Act 1984.