Seems to be a lone assailant with a bladed weapon.

1 adult 1 child seriously injured. 3 children 1 adult with less serious injuries.

Outside Gaelscoil Cólaiste Mhuire on Parnell Square East at lunchtime on Thursday.

https://www.irishexaminer.com/news/arid-41275768.html

https://www.thejournal.ie/stabbing-parnell-square-6230765-Nov2023/

https://www.irishtimes.com/crime-law/2023/11/23/garda-at-scene-of-reported-stabbing-on-parnell-square/ — A person of interest has been identified and a large knife has been seized at the scene on Parnell Square East. Gardaí have sealed off the scene. The Irish Times understands at least three children have suffered suspected stab wounds, though some sources said that number may rise as more information is confirmed. The chief suspect for the knife attack has been detained and had sustained wounds believed to be self-inflicted.