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.

As the dreaded winter storm approaches, North Texans need to stay on alert for a silent killer: carbon monoxide poisoning.

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.

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.

When Johnny Wactor found people trying to steal his catalytic converter last May, one thief yelled 'No!' before his companion opened fire, a detective testified. Bruce Fischer refused to make any eye or physical contact with America’s first female,

Three people were found dead in a home in Butler County due to suspected carbon monoxide poisoning on Tuesday, authorities said.