By Margaret Harding

Published: Friday, December 28, 2012, 1:36 p.m.
Updated: Friday, December 28, 2012

A couple who died in a house fire in Mt. Lebanon on Thursday succumbed to smoke inhalation and carbon monoxide poisoning, the Allegheny County Medical Examiner's Office said Friday.

The office ruled the deaths accidental.

Investigators believe Dennis Miller, 61, and Susan Miller, 56, tried to extinguish the blaze that started in the living room of the home on McNeilly Road, said Allegheny County Chief Deputy Fire Marshal Donald Brucker.

A neighbor on his way to work spotted the flames and called 911 about 7:20 a.m., Mt. Lebanon police Deputy Chief Mike Gallagher said. The home was engulfed in flames when police and firefighters arrived, and the roof collapsed shortly afterward.

Firefighters found the Millers' bodies in the kitchen, Brucker said.

Neighbors said Dennis Miller was on oxygen. The oxygen might have contributed to the fire, Brucker said. The cause is under investigation, but officials found no suspicious circumstances.

Visitation for the Millers will be from noon to 4 p.m. Sunday at Thomas J. Gmiter Funeral Home, 2323 E. Carson St., South Side. A funeral service will follow.

Margaret Harding is a staff writer for Trib Total Media. She can be reached at 412-380-8519 or mharding@tribweb.com.

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