A person has died after being hit by a DART.
It happened in Raheny just after half two this afternoon.
Emergency services attended the scene.
There's major disruption to rail services as a result, and Dublin Bus is accepting valid train tickets for now.
Update: Serious disruption to services following incident at Raheny, Emergency services on-site, DARTs operating between G'stones/Clontarf Rd only. Northern Commuter operating Howth Jct./Drogheda, bus transfers operating Connolly/Drogheda.— Iarnród Éireann (@IrishRail) November 20, 2017
Here's the latest update from Irish Rail: