The incident, during which a member of staff was threatened, took place at a premises on Dumbarton's Glasgow Road.
Detectives are appealing for information following the shocking robbery in Dumbarton. The incident took place on Glasgow Road in the West Dunbartonshire town at around 4.30pm on Sunday, January 12.
Police are appealing after a group of youths raided a petrol station in Dumbarton. The incident happened on a premises on ...