A fire in the 500 block of 18th Street Place SW caused heavy damage to a mobile home Monday afternoon. The blaze was first reported at 1:10 p.m. Firefighters were told that the blaze was staged during the initial report of the fire. Hickory Fire Department Education Coordinator Terri Byers said investigators have “a lot of reason to believe” the fire was set intentionally and it is being investigated as a possible arson. No one is believed to have been in the home at the time of the blaze, according to Byers.