SUMTER, S.C. (AP) — Authorities say a woman killed in a South Carolina fire was found on the porch of her home.

Fire officials tell The Sumter Item that 68-year-old Eva Harvin was found on the porch of her Sumter home just after 1 a.m. Thursday.

First responders say the woman used a wheelchair, which was also on the porch.

Harvin's 71-year-old husband was flown to Augusta Burn Center for treatment of burns to at least two-thirds of his body.

Authorities are still trying to figure out how the fire started but say they don't think it was suspicious.

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Information from: The Sumter Item, http://www.theitem.com