Disruption on trains between Harrogate and Horsforth due to emergency incident
Northern has tweeted to say that lines between Harrogate and Horsforth are blocked and delays and cancellations are expected until at least 11.45am this morning.
It has said that emergency services are on the scene responding to an incident.
A statement on its website reads: "Due to the emergency services dealing with an incident between Horsforth and Harrogate all lines are blocked.
"Train services running through these stations may be cancelled or delayed. Disruption is expected until 11:45."
Full updates are available on Northern's Twitter and website.