Two men were rushed to hospital after separate assaults in Cork city overnight.
One of the victims, a man in his 40s, is believed to be in a critical condition after being attacked in the French Church Street/Patrick Street area.
The second victim, a 19-year-old man, is also in hospital with serious injuries after an assault in the Grand Parade area.
Gardai are looking through CCTV footage to piece together the circumstances leading to both incidents.