A train line is blocked in both directions after a 'police incident'.
Northern Rail took to social media this afternoon to warn passengers of the delays.
It explained: "Due to the emergency services dealing with an incident between Wigan Wallgate and Southport the line is blocked in both directions.
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National Rail updated customers online saying that all lines are 'blocked'.
Replacement buses are now running between Wigan Wallgate and Southport but journeys can be tracked using the real-time tracker at NationalRail.co.uk
Some customers will be entitled to claim money back as compensation if there is a delay in completing the journey.
National Rail said "Please keep your train ticket and make a note of your journey, as both will be required to support any claim."
British Transport Police have been contacted for a comment.
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