Kingsport police are searching for a man that they say robbed the Shell Station on John B. Dennis Highway. It happened around 9:00 o'clock last night. Detectives say that the man entered the store, placed his hand under his shirt, indicating to the clerk that he had a gun. The man then forced his way into the cash register. Witnesses say he fled the area in a red Ford Escort with a female. If you have information contact Kingsport Police Detectives.