Gardaí are treating as an accident an incident in Carrickmacross after a man was found with serious head injuries.
The discovery was made on O'Neill Street in the town at 11.45 last night.
It is understood the man, who is in his 30s, had been socialising earlier in the evening.
He was taken to Our Lady of Lourdes Hospital in Drogheda, where his condition is described as critical.
Gardaí are appealing to anyone with information to contact Carrickmacross Garda Station on 042 9690190.