Waterloo Police are investigating a car fire as possible Arson, according to the Waterloo Cedar Falls Courier. A passerby called police around 1:00 Sunday morning to report a car on fire in the 400 block of Oneida Street. When Waterloo Fire Rescue arrived on scene they found a 2013 Chevy Equinox fully engulfed in flames. The fire was put out and the vehicle was towed and impounded. No arrests have been made to this point. The investigation is still ongoing.