There were no injuries reported, but the staff member was left shaken.
Police would like to speak with anyone who witnessed the aggravated robbery or who recognises the vehicle allegedly used in the offending.
It is a white Toyota Aqua, registration PSR418.
Anyone with information can contact police online, by calling 105 or by calling Crime Stoppers anonymously on 0800 555 111, using the reference number 250219/8356.
Denise Piper is a news reporter for the Northern Advocate, focusing on health and business. She has more than 20 years in journalism and is passionate about covering stories that make a difference.
