(Greenville, OH)--Police in Greenville Monday released a surveillance image of a man who held up a Speedway station over the weekend. Investigators hope someone recognizes a man who held up the Speedway station on East Main in Greenville on Sunday. He never displayed a gun, but indicated that he had one. The clerk was not hurt. A Walgreen across the street was robbed last year. Police have not said if they believe the robberies are connected.