The Delaware State Police are investigating a robbery that happened in a Millsboro Dollar General Tuesday night. The robbery happened just before 10 p.m. at the Dollar General on John J Williams Highway when an armed man went into the store and demanded cash. He took an undisclosed amount of money before running away. He is a white man, about 5’10” tall, about 155 pounds, wearing a dark colored hoodie with his covered. If you have any information on the man, send it to the State Police or Crime Stoppers.