A man in his 30s is being treated in hospital after being found with serious injuries in Mullingar, Co Westmeath, in the early hours of this morning.
The man was found on Grove Street in the town at around 1.10am and was taken to Regional Hospital Mullingar.
It is understood the man was out at a staff Christmas party in the town last night.
The scene remains cordoned off for a technical examination and an incident room has been set up at Mullingar Garda Station.
Gardaí are appealing for any witnesses, or anyone who may have camera footage (including dash-cam) from the areas around Grove Street and Mullingar Town centre between 12.30am and 1.30am, to contact Mullingar Garda Station on 01 666 9000, the Garda Confidential Line on 1800 666 111, or any garda station.