30-year-old man arrested in Dublin's Parnell Square for alleged threatening behavior with a knife; no injuries reported.

A 30-year-old man was arrested in Dublin's Parnell Square area for alleged threatening behavior involving a knife. The suspect is known to gardaí for public order incidents and has experienced mental health issues. The incident occurred outside a school, but there were no reported injuries. The man remains in Garda custody, and the police are conducting regular patrols in the area while liaising with the local community.