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 at around 5 p.m. on Tuesday.

BUTLER, Pa. — There’s a large emergency response at a Butler home after three people were found dead. Channel 11 saw firefighters, police and medics at a home on College Street on Tuesday afternoon. We’ve learned that three people were found dead from possible carbon monoxide poisoning. The deaths are under investigation.

Three people are dead and two injured after a reported carbon monoxide leak in Butler. Butler County emergency officials said Peoples Gas and emergency responders were called to the 100 block of College Street on Tuesday evening,