Over 300 witnesses are expected to be spoken to by Gardaí.
A senior officer has been appointed to investigate the violence seen in Dublin City Centre last Thursday night.
Assistant Garda Commissioner Cliona Richardson confirmed the appointment as she provided an update to the Dublin City Joint Policing Committee.
She says "thousands" of hours of CCTV have to be reviewed, while every Garda on duty in Dublin City last Thursday will have to give statements on what they saw.
Over 300 witnesses are expected to be spoken to by Gardaí.

Local TD Accepts Data Centres Are A "Particular Issue" In Ireland
Katie Taylor Tickets Sell Out for Croke Park Final Fight In September
New Digital Wallet Might Be Needed To Access Pornography Online
Two Men Arrested As Gardaí Seize Firearm And Drugs In Blanchardstown
Trial Of Man Accused Of Attempted Murder Of Three Children Will Be Shown CCTV Today
Second Night Of Riots In Belfast
Victim Loses Eye After Attempted Murder In Belfast On Monday
Report Finds Over 95,000 Children Are In Poverty