The carbon monoxide detectors inside the Butler home where three people died and two others were hospitalized were disabled, police said.

BUTLER, Pa. — Police have identified the three people found dead in a home in Butler City on Tuesday. Officers said they were called to 109 College Street in Butler City for reports of a dead person. They found that person and two other people dead from suspected carbon monoxide poisoning. Two other people were taken to a hospital from the scene.

Three people were found dead in a home in Butler County due to suspected carbon monoxide poisoning, authorities said. First responders were called to a home on College Street in Butler at around 5 p.m.

One man is dead and another hospitalized in critical condition after they were found unresponsive last week in an Almont Township pole barn, police said. An autopsy revealed carbon monoxide poisoning was the cause of the death, investigators said in a statement Wednesday.

Called “the silent killer”, carbon monoxide can be extremely dangerous and completely unrecognizable at first. Upstate Medical’s director of poison control, Vincent Calleo, gave out some helpful tips on how to stay safe.

Four people were found dead on Christmas in Wakefield, New Hampshire from suspected carbon monoxide poisoning, the fire marshal said.

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