Gardaí are appealing for witnesses following an assault which occurred in Dublin City Centre on Saturday night.
Emergency services were called to the scene on Parnell Square North after 10pm.
The victim was discovered with serious injuries to the head and was rushed to the Mater Hopsital.
The scene was preserved for forensic examination and enquiries are ongoing.
Gardaí are appealing for any witnesses who were at Parnell Square North between 10pm and 11pm on Saturday night, June 19th.
Anyone with information is urged to contact Mountjoy Garda Station on 01 6668600 or the Garda Confidential Line on 1800 666 111.