UPDATE: The outer circle is now running again.

THE OUTER circle of the Subway has been suspended temporarily.

The SPT announced on its Twitter page that trains are not currently running on the line due to a broken-down vehicle.

A maintenance team is currently dealing with the incident, which happened at Cowcaddens station.

READ MORE: Shawlands Arcade regeneration consultations to be held next week

The inner circle is running without problems.