Network RailA herd of cows has caused disruption on the Edinburgh-Glasgow mainline during the Monday morning rush hour.
The 12 animals found their way onto the railway near Lenzie at around 8am.
Network Rail said a response team was working to remove the cows “as quickly as we can”.
ScotRail apologised for any delays due to the incident while a power outage hit trains across the central belt during the busy Monday commute.
Network Rail said its teams were working to fix the issue impacting services across Glasgow and Motherwell.
It comes as ScotRail services are operating under a significantly reduced timetable amid an ongoing dispute with drivers.
More than a quarter of normal services are cancelled as the rail operator seeks to provide a “reliable” service in the face of crew shortages.
ScotRail said overtime has historically been needed to deliver a normal timetable of more than 2,250 services each day.
However, fewer drivers than normal are taking on overtime or rest day working as part of the ongoing pay dispute.
Under the temporary measures only around 1,600 services will be operating between Monday to Saturday with customers warned to expect a change in some first or last trains and the number of services provided during the morning and evening peak times.
Train drivers are currently being balloted over strike action.
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