According to the Pennsylvania State Police at Frackville, the robbery took place at the Brown Bag Gas Station, located at 832 Barnesville Drive, in Barnesville, around 6:30pm.
Police say a male entered the gas station with a knife and demanded the employee to open the cash register. The suspect then removed the entire register and fled the scene. The register was said to have contained about $200.
The suspect is described as male, 5'11", and was wearing a gray striped hoodie over a maroon hoodie, a black ski mask, dark colored athletic pants, and white sneakers.
Anyone with information should call the Pennsylvania State Police at (570) 874-5300.