TULSA, Okla. (AP) -- Autopsies show the five men killed in a natural gas rig explosion in southeastern Oklahoma died of burns and smoke inhalation.
The reports released Tuesday by the state medical examiner's office in Tulsa classifies each death as an accident.
Killed in the Jan. 22 blast were Matt Smith of McAlester, Parker Waldridge of Crescent, Roger Cunningham from Seminole, Josh Ray of Fort Worth, Texas; and Cody Risk of Wellington, Colorado.
The blast occurred in Pittsburg County near Quinton, about 100 miles (160 kilometers) southeast of Tulsa.
Survivors or estates of the five men have filed wrongful death lawsuits because of the explosion.
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