Chicago firefighter dead in high-rise blaze had heart attack

Flames shoot out of the window of a high-rise building in Chicago on Wednesday, April 5, 2023. Three firefighters were injured, one critically, while battling the blaze on Chicago's North Side. (ABC 7 Chicago WLS via AP)

CHICAGO (AP) — A firefighter who died while battling a blaze in a high-rise building on Chicago’s North Side died of a heart attack, autopsy results released Thursday showed.

Lt. Jan Tchoryk, 55, died of hypertensive-arteriosclerotic cardiovascular disease, according to the autopsy results released by the Cook County medical examiner.

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