SHERRARD, Ill. -- Authorities say the five people killed in a western Illinois mobile home fire died of smoke inhalation.
The Mercer County Sheriff's Department said Friday that autopsies confirmed the cause of death.
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Coroner Ron McNall said Thursday that the victims were 38-year-old Anna Viager; her 8-year-old daughter, Breana Viager; 15-year-old Cassandra Turner; 10-year-old Jessica Harker and 13-year-old Holli Harker.
The Sheriff's Department said Friday that it won't confirm the identities until DNA tests are completed by the State Police crime lab.
Authorities have said a man and two boys escaped.
Sheriff Tom Thompson says there's no indication of foul play, although investigators still are trying to determine how the fire started.
Sherrard is a village of about 640 residents 180 miles west of Chicago and just south of the Quad Cities.