A broken down freight train between Bidston, Shotton and Wrexham is causing disruption between these stations.
Some trains have been cancelled and replacement road transport services are taking passengers between Wrexham General and Bidston in both directions.
Disruption is expected until 5pm according to nationalrail.co.uk.
You may be entitled to compensation if you experience a delay in completing your journey today.
Keep your train ticket and make a note of your journey, as both will be required to support any claim.