The Champaign County sheriff and prosecutor announced their findings.

Officials said that the fire in the western Ohio village of St. Paris may have been caused by electrical wiring or an electric heater.  But an engineering firm brought in to assist the investigation was unable to definitively determine the cause.

SLIDESHOW:  Images From Scene

Prosecutor Nick Selvaggio said that there is no evidence that the fire was intentionally set.

Killed in the fire were Nathan Skaggs, 2; Patrick Snelling, 8; Breonna Snelling, 10; and Cassandra Karg, 10.

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March 23, 2009:  Memorial Builds At Site Of Fatal Fire
March 21, 2009:  Four Children Die In Fire

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