UPDATE: Services are now running as scheduled.

A vehicle has collided with a railway bridge this evening. 

ScotRail have said that Dumbarton Central's railway bridge - between Dumbarton East and Bowling - has been struck by a vehicle. 

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Services running from and to Dumbarton Central are currently subject to delay. 

The national rail service went on to add that the response team are en-route to examine the bridge and are estimated to arrive on site shortly.