ASPINWALL (KDKA) -- Carbon Monoxide can be a silent killer, especially in the winter when most exposures happen according to ...

Three people are dead and two others injured following a possible carbon monoxide leak inside of a home in Butler County Tuesday night.

BUTLER, Pa. (KDKA) — Three people were found dead in a home in Butler County from possible carbon monoxide poisoning, sources said. First responders were called to a home on College Street in Butler ...

Authorities believe carbon monoxide poisoning caused the deaths of three people found in a western Pennsylvania home this week, but investigators have yet to determine what led to the deadly exposure.

Three people found dead in a western Pennsylvania home this week apparently died from carbon monoxide poisoning.

Three people were found dead and two more were injured as a result of a possible carbon monoxide leak in a Butler County home.

A tragic carbon monoxide leak in Butler left three dead and two hospitalized. Investigations are ongoing, but no leaks were found in the area, officials report.

BUTLER, Pa. — There’s a large emergency response at a Butler home after three people were found dead. Channel 11 saw ...

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