A dump truck fire early Friday morning caused minor damage to the service area at the MODOT Maintenance Facility in Lee’s Summit. Firefighters responded to the building at 2050 NE Independence Ave. at 1 a.m. Firefighters saw smoke coming from a garage when they arrived. A fire sprinkler helped control the fire. Firefighters said it was under control by 1:35 a.m. The fire damaged the dump truck and the smoke caused minor damage to the service area. No one was inside the building when the fire started. It’s not clear what caused the fire.