Two men are being held in connection with the riots in Dublin city centre last November.
A man in his late teens and another in his 20s were arrested on Wednesday morning over incidents tied to the investigation into the violence.
Gardaí were attacked, shops looted, and public transport set on fire on November 23rd, 2023.
Investigations into the events on November 23rd and those involved in organising or participating in the unrest are continuing, and gardaí continue to appeal to those with information to come forward.
