Train services into and out of Heuston Station in Dublin have been suspended this morning with thousands of commuters expected to be effected.
A major signal fault occurred at 6am and is ongoing.
The issue is impacting all intercity, Portlaoise Commuter and Newbridge/Hazelhatch to Grand Canal Dock services.
Iarnroid Eireann says it's not possible to provide alternative transport for commuters due to the number of people affected.
Update:No services operating into and out of Heuston due to a major signal fault. This is impacting all intercity, Portlaoise Commuter and Newbridge/Hazelhatch to Grand Canal Dock services. Efforts are ongoing to rectify the problem.Update to follow
— Iarnród Éireann (@IrishRail) May 28, 2019
More to follow.