BRISTOl, Ind. The fatal fire that killed two people was started by improperly discarded smoking materials, according to our reporting partners at the Elkhart Truth.
The mobile home fire killed 67-year-old Cindy Kabay and her son 42-year-old Chad Russell.
The two of them were found near the entrance to the home.
Russell died of carbon monoxide poisoning, and his mother died of natural cause due to a long history of health issues.
Medical oxygen tanks were in the home at the time, but it is unknown if they contributed to the fire.