CHICAGO (STMW) — The death of an elderly woman killed in a “suspicious” fire in East Garfield Park earlier this month has been ruled a homicide.

Margaret Noble, 79, died Saturday following the March 8 fire at her home in the 300 block of South Albany Avenue, according to the Cook County medical examiner’s office.

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Another person, a 39-year-old man, was critically injured in the blaze that started on the first floor of a coach house about 3 a.m., fire officials said at the time.

Firefighters put out the flames about 40 minutes after arriving, authorities said.

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An autopsy Monday found that Noble died of carbon monoxide intoxication and smoke and soot inhalation, with heart disease listed as a secondary factor, the medical examiner’s office said. Her death was ruled a homicide.

The police Bomb and Arson Unit was called to the scene and the fire was considered suspicious, police said at the time.

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