LARAMIE, Wyo. (AP) — Investigators say they do not believe foul play was involved in a house fire that killed a southern Wyoming man and displaced his wife and three children.

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Firefighters called to the home southwest of Laramie early Thursday morning found the structure fully engulfed in flames.

Four people had escaped the fire, but a fifth was unaccounted for.

The Laramie Boomerang reports firefighters found the man’s body in the burning home.

The 59-year-old man’s name has not been released.

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The Crater Ridge fire ignited in the Bighorn National Forest in mid-July. Since then, it has grown to more than 6,000 acres in size. As of August 30, the fire is 52% contained.