A man in his 30s has been arrested in connection with a vicious assault outside the Wright Venue in Swords.
Emergency services were called to the scene at Airside at around twenty to four on Sunday morning.
It's understood night club staff were trying to help the man outside the venue after he was brutally attacked.
The victim was rushed to Beaumont Hospital where he's in a critical condition.
Gardai launched an appeal for witnesses in the wake of the assault.
They'd been looking to speak to the driver of light-coloured taxi who picked up a man on the road close to the scene.
This morning a suspect in his 30s was picked up and has been taken to Swords Garda Station where he can be held for up to 24 hours.