The Danville Fire Department responded to a reported structure fire this morning at 0740 located at 18 Carlson Ave. The DFD responded with 3 Engines, 1 Ladder, 1 Battalion Chief for a total of 14 personnel. Upon arrival of the first engine, they noticed moderate smoke coming from the residence and made entry into the home and located a fire in the front bedroom. The home was searched for any occupants and none were located. No other injuries were reported at this time. The fire was extinguished and fire personnel remained on scene while the DFD Fire Marshal's office investigated. The cause of the fire was determined to be discarded smoking materials. The DFD was assisted on scene by the Danville Life Saving Crew, Danville Electric, Danville Water & Gas, and Danville Police Dept.