He's being questioned at a garda station in West Dublin and can be held for up to 24 hours
A man has been arrested following the death of a suspected gunman in Dublin on Christmas Eve.
Tristian Sherry was stabbed multiple times in a restaurant in Blanchardstown.
Sherry walked into a busy steakhouse in Blanchardstown on Christmas Eve with a machine gun and opened fire injuring a man in his 40s.
However it's believed as Tristan Sherry tried to flee the scene he got stuck as the door he tried to get out of was locked.
The 25 year old was then confronted, disarmed and stabbed multiple times.
He was pronounced dead a short time later in hospital.
The attack has been linked to a criminal feud.
Gardaí have now arrested a man in connection with the incident.
He's being questioned at a garda station in West Dublin and can be held for up to 24 hours.

Families Could Face €1,000 Rise In Annual Food Bills Amid Farming Crisis
Over Half of Cigarette Packs Surveyed In Newbridge And Naas Had No Irish Duty Paid
Celbridge Brewery CEO Warns Of Mounting Costs Facing Craft Beer Sector
Amhrán na Laoch Songwriting Competition Confirmed for Irish Music Month 2026
Government Announces Major Overhaul of Anti-Money Laundering Rules
Maynooth University Hosts Special Solar Eclipse Event This Evening
Johnstown Mother Says Today's Solar Eclipse Means Something Extra Special For Her And Her Son
Three Men Detained In Kildare And Dublin Garda Stations Following Brothel Keeping And Organised Prostitution Arrests