A male stated he had a bomb strapped to his body and demanded money from the employees.
The male then fled the store on foot after obtaining a quantity of currency.
No explosive device was seen and no one was injured in the incident.
The suspect is described as being six feet tall, heavy set and was wearing a black hoody, black scarf, baseball hat and sunglasses.
The incident is still under investigation.
Anyone with information is asked to call police or Crime Stoppers at 222-TIPS (8477), online at www.sudburycrimestoppers.com or by texting TIPSUD and the information to CRIMES (274637).