Two men are due to appear in court this evening after a row broke out outside a nightclub in Dun Laoghaire last night.
The incident occurred at around one o' clock in this morning when doormen at the club were attacked by the three men.
Gardai were called and two, including a sergeant, suffered arm injuries and had to be taken to hospital for surgery.
The two detained men were questioned at Dun Laoghaire garda station and are due to appear before Dublin District Court.