NEW : Rain helps put out most of wildfire near resort town in eastern Tennessee . NEW : A firefighter is treated for heat exhaustion after battling a blaze that has burned more than 100 acres and destroyed at least one home on the outskirts of Gatlinburg, About 20 fire departments had been battling the blaze , which started Sunday as a house fire . A small crew remained in the area to monitor hot spots , the station said . Fire charred more than 35 buildings , turned propane tanks into shrapnel .
NEW : Rain helps put out most of wildfire near resort town in eastern Tennessee . NEW : A firefighter is treated for heat exhaustion after battling a blaze that has burned more than 100 acres and destroyed at least one home on the outskirts of Gatlinburg, About 20 fire departments had been battling the blaze , which started Sunday as a house fire . Fire charred more than 35 buildings , turned propane tanks into shrapnel .