Police in Limavady are appealing for information following an armed robbery at a convenience store in Dungiven around 10.30pm on October 19.
A man believed to have been armed with a suspected firearm and a hammer, demanded money from staff before making off with a sum of cash.
The staff members were not injured in the incident but were left shaken.
The armed robber is said to have been in his early 30s, approximately 5ft 7ins tall and of medium build.
He was wearing a balaclava, blue jeans, black trainers, gloves and a navy hooded top with the letters “DSL” in red and white.
Anyone with any information about this incident is asked to contact CID in Limavady Police Station on 0845 600 8000. Or if someone would prefer to provide information without giving their details, they can contact the independent charity Crimestoppers and speak to them anonymously on 0800 555 111.