The owner and operator of the vehicle, stated that they were driving the vehicle on the Interstate when they noticed white smoke and ashes emanating from the steering column. They pulled into the parking lot to investigate and opened the hood to see no smoke or fire. When they returned to the passenger compartment, the smoke turned black in color, and they observed fire emanating from the steering column. I am the Lead Fire Investigator on this incident for the Edmond Fire Department. The electrical components in the area observed with fire contained electrical arc sites and melting. No other accidental heat sources were present, and natural causes and human involvement were ruled out as well. Incident number is [XXX] in Edmond, OK. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)