There will be no trains running running from Edinburgh Waverley and a very limited number around Glasgow.
The two chicks were spotted at the Union Street entrance on May 10.
Police investigating unexplained death of man who was found unresponsive at Glasgow Central station.
Police were alerted to the incident in Glasgow’s Hope Street shortly after 1am on Sunday morning.
Scott Ferguson, 34, pounced on Dean McLean near Glasgow Central station in July last year.
The incident happened between Falkirk High and Glasgow Queen Street railway stations on Monday afternoon.