(AP) -- A father and his two sons who perished in a Lexington County fire died of carbon monoxide poisoning and burns.
Lexington County coroner Harry Harman released the findings of autopsies on Monday, a day after the blaze near South Congaree that also injured six other people.
The cause of the fire is still being investigated.
None of the victims' names have been released, but fire officials said Sunday the three people killed were a 39-year-old man and his two sons, ages 3 and 4.
The people injured in the fire were treated and released from a local hospital. The American Red Cross is helping them find a place to say.
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