Delays of up to 40 minutes on CrossCountry between Edinburgh Waverley and Glasgow Central due to signalling problem at Motherwell.
Affecting all services through Motherwell.
There is currently no estimate for when a normal service will resume.
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Speaking after Sunderland's 3-2 defeat, Moyes said: "It can't always be me leading them by the hand and showing them what they should do".
Hundreds have left the Civic Centre in Sunderland as this year's Sunderland Pride gets underway.
It happened after yesterday's football game, which saw Barrow win 2-0 against York City.