Gardaí are appealing for witnesses to an assault which occurred in Longford yesterday morning.
The incident occurred on Main Street, Ballymahon, at 7am on January 30.
One man in his 40s received what appears to be stab wounds during the course of an incident.
A large number of men are believed to be involved.
The man is in serious condition in hospital.
Gardaí are asking anyone with information or anyone who travelled through Ballymahon yesterday morning between 6.30 am and 8.00 am to contact them at Longford Garda Station.