Emergency Services have responded to an incident at Lostock,
Rush hour train journeys from Blackpool, Preston Chorley and Buckshaw Village are being cancelled following an incident on the track.
Blackpool commuters and holidaymakers travelling to Manchester Piccadilly and Manchester Airport are also affected after connecting services at Preston were cancelled.
Emergency services are dealing with the incident at Lostock which means no trains can run through Lostock Station.
A spokesman for Northern Rail said:
"Due to the emergency services dealing with an incident near the railway between Preston and Bolton, all lines are blocked "Cancellations and delays to these services are due to the emergency services dealing with an incident near the railway."
The disruption to services is expected to last until 11am.