Trains between Glasgow and Ayrshire could be affected as police deal with an incident in Paisley.
ScotRail have revealed the news on their Twitter, and they also confirmed that some trains could be subject to delays/cancellations.
They said: "Police are dealing with an on board incident which is currently delayed at Paisley Gilmour Street.
"We will continue to work with them and update you as soon as we have more information."
They added in a second tweet: "Services between Glasgow Central - Ardrossan Harbour, Glasgow Central - Ayr and Glasgow Central - Largs may be subject to delays/cancellations."
We will update you as more information becomes available.
