Delays are expected after emergency services were called to Skerries train station after an incident occurred on the line.
The line has been closed at Skerries since just after 8.00am when emergency services reached the scene.
Iarnród Eireann has advised customers to make alternative travel arrangements.
They also stated that Dublin Bus are currently accepting rail tickets.
https://twitter.com/IrishRail/status/914750617817698305
https://twitter.com/DubFireBrigade/status/914751559359172609
Commuters are also experiencing disruptions to the Northern Commuter and Belfast trains this morning.
Services have currently been suspended between Drogheda and Malahide.
https://twitter.com/IrishRail/status/914754328786808832
There is no access to Skerries train station at present.