The Allegheny County Medical Examiners Office has ruled the death of a woman injured in the December fire at the Thomas Campbell Apartments, accidental. Her cause of death was determined to be smoke inhalation and thermal burns. 78 year old Frances Venen died at a Pittsburgh hospital three days after the December 23 blaze at the South Strabane Township complex. She was among six people taken to area hospitals for treatment. Some 100 people were evacuated after the fire broke out in the kitchen of one of the units.