Switzerland County, Ind. — Law enforcement agencies in the tri-state are searching a suspect in a Carroll County, Kentucky gas station robbery.Police say, Billy Sangster, 47, Warsaw, Kentucky, robbed the business in Ghent then fled into Indiana. Police pursued Sangster into Switzerland County by vehicle and on foot. No injuries were reported, but he did flee with an undisclosed amount of cash.Authorities say Sangster is a white male, 5-feet 10-inches tall, bald with a goatee, blue eyes and approximately 165 pounds. He was wearing blue jeans, blue shirt and a light camouflage hat. He is believed to be armed and dangerous.Tips can be left confidentially by calling 502-532-6363 or 800-222-5555.