(NEWS TRIBUNE) -- A newer car, summer heat and four coolers of dry ice combined with rare but lethal effect early Friday, accidentally killing a 77-year-old Lakewood woman.
The Pierce County Medical Examiner’s Office described the cause of death as asphyxiation due to displacement of oxygen by carbon dioxide. Investigators suspect dry ice in the car was the cause.
“At this point we’re just looking at this as horrific accident,” sheriff’s spokesman Ed Troyer said.
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