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.

Five school employees were transported to hospitals with symptoms consistent with mild to moderate exposure to carbon monoxide.

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.

Explore the ultimate learning platform: <a href=" 3 people found dead in Butler home from possible carbon monoxide poisoning, 2 others hospitalized In this hilarious Minecraft challenge, we play as snakes who grow longer every time we eat mobs!

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,