
Trains between Thurles and Portlaoise have been suspended - following a a tragic incident on the line.
Irish Rail says services were paused shortly after 8am and the line will remain closed until further notice.
Significant knock-on delays are expected for all Cork, Kerry and Limerick services.
Heuston to Cork services are being held in Heuston while Cork to Heuston services are being held in Cork.
Commuter services between Portlaoise and Heuston are expected to operate as scheduled.