GLASGOW trains have been hit with delays due to a signalling fault.

Trains running to and from Glasgow Central between Lanark and Edinburgh via Shotts have been affected.

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ScotRail warned services may be delayed or revised and passengers are urged to keep up-to-date via social media.

A tweet by the rail firm said: "We've been advised by @NetworkRailSCOT that there's a fault with the signalling system affecting a signal on the approach to Glasgow Central.

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"Engineers are working on the problem but services between Glasgow Central, Lanark & Edinburgh via Shotts may be delayed or revised."