INVESTIGATORS HAVE DETERMINED THE CAUSE OF A THURSDAY MORNING FIRE AT A DUPLEX ON CHIPPEWA COURT IN SIOUX CITY.

FIRE DEPARTMENT SPOKESMAN JESSE PEDERSEN SAYS A FAULTY PORTABLE INFRARED SAUNA IS TO BLAME:

THE FIRE CAUSED SEVERE DAMAGE TO THE UPSTAIRS BEDROOM.
PEDERSEN SAYS THE OCCUPANTS THOUGHT THEY HAD WORKING SMOKE DETECTORS, BUT THEY DID NOT SOUND A WARNING:

THE COUPLE ESCAPED THE FIRE WITHOUT INJURY. THE REST OF THE DUPLEX SUSTAINED MODERATE SMOKE DAMAGE AND THE PROPERTY HAS BEEN RED TAGGED.