A vehicle has crashed into a level crossing between Helensburgh and Dumbarton this morning.
Scotrail say train services are disrupted as they respond to the incident.
It's not yet known how significant the damage is at the crossing, nor the condition of those in the vehicle.
Scotrail said: We've had reports of a vehicle striking the barriers of a level crossing between Dumbarton Central and Helensburgh.
"Services between Helensburgh and Edinburgh may start and terminate at Dumbarton Central.
"Response teams are en-route to examine this and should be on site shortly."
