COMMUTERS have been warned to expect delays after a train broke down this morning.

The train broke down between Helensburgh Central and Cardross.

Services are expected to be delayed between Helensburgh and Bathgate via Airdrie.

"Due to a broken down train btwn #HelensburghCentral & Cardross, trains btwn #Helensburgh - Bathgate via Airdrie may be delayed/revised," said ScotRail on its Twitter account.