said a robber held a clerk at gunpoint while he took an undisclosed amount of money from the Coraopolis Heights Road store.
The incident marks the in the past six months at the convenience store and gas station.
A Uni-Mart employee said a man in his early 20s brandishing a gun walked into the store at 2 a.m. May 19 and demanded money from the cash register. Police did not disclose the amount of money taken from the store.
The suspect may have fled through a nearby wooded area, police said. No injuries were reported.
The robbery was captured on the store's surveillance camera, according to a police statement. Center Township Police's canine unit assisted with the investigation.
The suspect is described as being a white male in his early 20s, 5-foot-5 with a thin build. He was wearing a gray-hooded sweatshirt, blue jeans and a ccamouflage hat. Police said he covered his face with a cloth.
The store was at gunpoint on December 9 by a man wearing a black hooded sweatshirt, police said.
Those with more information should contact Moon Police at 412.262.5000.