UPDATE: The issue has now been fixed and the service has resumed.

COMMUTERS are being warned of disruption to train services in Dumbarton.

Scotrail has confirmed that a train broke down at Kilpatrick station this afternoon as a result of ongoing power issues.

An assisting unit was on site to move the vehicle which has since been taken to a depot.

READ MORE: 'Thief who stole from Dumbarton M&S caught selling steaks' by cops

However, the disruption has led to delays and cancellations for commuters travelling between Dalmuir and both Balloch and Helensburgh.

Replacement bus shuttles are in place for the relevant routes.