3 Engines, Ladder 1, Battalion 1, Battalion 2, Danville Life Saving Crew, Utility Department, Haz-Mat 2 and Fire Marshal responded to 125 Lowell Street for Structure fire. On scene report of heavy smoke and fire showing with fire in basement and 1st floor. All occupants were out of the structure before arrival of fire personnel. Danville Fire Department personnel extinguished fire. Fire ground units were on scene for over two hours to extinguish fire. No injuries reported. Fire is under investigation at this time.