ScotRail has announced that they expect services to be disrupted on services running between Queen Street Station and Partick.
They posted that the disruption has been caused by a passenger taking ill on a train at Charing Cross.
Trains between these stations may be cancelled, delayed by up to 25 minutes or revised.
They confirmed that they expect the disruption to continue to at least until 8pm.
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They added that people can follow the incident on Twitter, using the #CharingCross.
A spokesperson for ScotRail said: "The emergency services are attending to a passenger who has taken unwell on one of our services at Charing Cross. We’re working closely with the emergency services during this time and we'll keep you updated."
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