Police are investigating a robbery at a Dollar General store in Jackson Township.
Police were dispatched to the Dollar General on 2100 Thistle Hill Drive in Spring Grove just after 8 p.m. Sunday.
The suspect was described as a black male wearing all black clothing.
According to authorities, he entered the store, showed employees a knife and demanded cash. He then fled the store on foot.
None of the store employees were injured.
This is the second time the convenience store has been robbed this month.
Police believe the same person who robbed the store back on January 1 committed the robbery.
Anyone with information is asked to contact the Northern York County Regional Police Department at 292-3647.