The Janesville Police and Fire Departments responded to a residential fire at 603 S Main St at 8 p.m., according to a news release.
Several people were able to evacuate the residence however; one person was not able to escape.
Janesville Fire Investigators and the Janesville Police Department Detective Bureau are conducting a joint investigation with the Dane County Medical Examiner’s Office.
The investigation is in the early stages and no further information is available at this time.
Future informational releases will be coordinated between the Janesville Police Department Detective Bureau and the Dane County Medical Examiner’s office, according to the news release.
One resident told the Gazette that he was watching TV when the power went out in the building. He grabbed a flashlight and went to look around before he opened a door to a room full of smoke.