A man in his 40s is in a critical condition following a serious assault in Cork city centre last night.

The incident occurred on Patrick Street at a around 9.15pm.

Gardaí said the man is in a critical condition in Mercy University Hospital.

In a separate incident, a 19-year-old man was seriously injured in an assault on Grand Parade in the city.

He is also being treated at Cork University Hospital.

A 20-year-old man was arrested following incident.