Fifteen people have now been arrested in connection with a public order and endangerment incident in Galway city following three further arrests on Friday morning.
The incident took place on Sunday evening in a car park on the Headford Road.
Two men were assaulted during the course of the incident and a man and a woman were also injured when a car drove at speed into a group of people.
The latest arrests involved three men, aged in their 20s, 30s and 40s respectively, who are currently detained under Section 4 of the Criminal Justice Act 1984 at Garda stations in the western region.
Gardaí are continuing to appeal for information in relation to the incident, particularly those who were in the College Road and Headford Road areas of Galway between 5.45pm and 6.45pm on Sunday.
Anyone with camera (including dash-cam) footage from the areas is asked to make it available to Gardaí.
Anyone with information can contact Galway Garda station on 091-538 000, the Garda Confidential Line on 1800-666 111, or any Garda station.