One man was taken to hospital in Laois.
Gardaí in Kildare are appealing for witnesses after two men were seriously assaulted in Monasterevin early this morning.
Shortly after half-past midnight, a man in his 20s was found unresponsive on Dublin Road - he was taken by ambulance to Tallaght Hospital, where his condition is understood to be critical.
A second man, aged in his early 50s, was treated for facial injuries at the scene before being brought to Portlaoise Hospital.
The scene is preserved for forensic examination and no arrests have been made at this time.
Anyone with information is asked to contact Kildare Garda Station.
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