(700 WLW)- A structure fire late Tuesday night in Hartwell caused thousands of dollars in damage. Firefighters were sent to the area just off East Galbraith..across the street from the Speedway in Hartwell. First arriving crews found heavy smoke coming from the second floor and quickly opened up those spaces and extinguished the fire. Total damage about $50,000 dollars. No injuries reported. CFD still trying to determine the cause of the fire.