UPDATE: The transport group has said services have now resumed.

GLASGOW Subway services are currently suspended. 

Strathclyde Partnership for Transport (SPT) said it is due to a points failure where trains enter and exit the system.

There are no services currently operating as maintenance staff work to fix the points failure reported earlier this morning on the Outer Circle.

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It is unknown yet how long the service will be suspended.

Further updates will be provided via Twitter when completed.