Three men have been arrested following an attack by a group of young men on people availing of outdoor dining, and the staff serving them.
The incident occurred on South William Street in the capital at about 9.30pm last night.
Gardaí responded to reports of a group of four persons causing a disturbance in the south side of the city.
It is reported the group threw glasses and glass bottles at staff members of premises in the area.
One staff member was brought to St. James Hospital for non-life-threatening injuries.
Garda attended the scene and three men, two early 20s and one late teen, were arrested and taken to Pearse Street Garda Station.
Gardaí say that investigations are ongoing.