Network Rail was first alerted to reports of an issue at Slateford shortly after 1pm.

The organisation confirmed engineers discovered a 'small defect' and were carrying out repairs.

ScotRail confirmed train services between Glasgow Central and Edinburgh via Shotts will be cancelled, delayed or revised until the fault can be repaired.
(Permalink) Slateford Track defect

Network Rail will upgrade key infrastructure across Scotland over the festive period.
(Permalink) Carstairs Dundee Eglinton Street Penmanshiel Powderhall Branch Junction Slateford