Gardaí are investigating an alleged assault that occurred in Galway City during the early hours of Sunday morning.
The incident happened on the Canal Walk between O'Brien's Bridge and the Salmon Weir Bridge in the Newtownsmith area of the city at approximately 1:15am.
A man, aged in his 20s, received injuries following an altercation with another man and was taken to Beaumont Hospital in a serious condition.
It is understood the men travelled by foot through the Long Walk, Spanish Arch and Wolfe Tone Bridge areas before reaching the O'Breins Bridge/Salmon Weir Bridge area.
Gardai are appealing for anyone with information who was in the Newtownsmith area between 1am -1:30am on Sunday last to come forward.
Gardaí are particularly interested in speaking to any road users, including taxis, who may have dash cam footage.
Anyone with information is asked to contact Gardaí in Galway on 091 538 000, the Garda Confidential Line on 1800 666 111, or any Garda station.