Four men have been arrested following an armed robbery at the Esso service station at A361 Nunney Catch roundabout on Sunday 17 January.
A member of staff, 21-year-old Lee, was confronted by a man armed with a gun shortly after midnight. The man wore a hoodie and had covered his face with a scarf.
The robber got away with a relatively small amount of cash – reportedly just under £200.
Police arrived shortly after the alarm was raised and stopped a car nearby. Three men, aged 16, 17, 19, were arrested on suspicion of robbery. A fourth suspect, aged 24, was arrested on Monday.
Avon and Somerset Police is appealing for anyone who witnessed the incident, or who saw or heard anything suspicious in the service station area in the early hours of Sunday, to call Somerset Investigations via 101, reference 5216011338.