A carbon monoxide incident at a strip mall in Frankin, Massachusetts, sent 12 people to the hospital Thursday morning.

A carbon monoxide incident at a strip mall in Franklin, Massachusetts, sent twelve people to the hospital Thursday morning.

Classes at a Massachusetts elementary school were canceled Friday after a malfunction in one of the boilers led to the release of carbon monoxide gas. Firefighters were called to Coffin Elementary School in Marblehead at 7:45 a.m. where they determined that because of the high CO readings, the building needed to be evacuated, according to the Marblehead Public Schools’ interim…

A carbon monoxide incident forced officials in Marblehead, Massachusetts, to cancel classes at the Coffin Elementary School.

More than 100 employees were evacuated from a Salem office building due to a carbon monoxide incident that sent several patients to the hospital.

Five people were taken to the hospital Wednesday after a carbon monoxide incident at a building in Salem, Massachusetts. The incident took place at the sprawling Shetland Park complex on Congress Street. Authorities said one person became unconscious, prompting a call to first responders who evacuated the entire fourth floor. “The fourth floor has been totally evacuated. The rest of…

A carbon monoxide incident at a building in Salem, Massachusetts, sent five people to the hospital Wednesday.

Two western Massachusetts teenagers are recovering after being found unresponsive in a home with high levels of carbon monoxide. Great Barrington fire officials say the teens were found Saturday and brought to a hospital. They are expected to make full recoveries.

High levels of carbon monoxide at a Brockton, Massachusetts home resulted in four people being rushed to a hospital Monday morning. Authorities responded to a home located at 213 Sawtell Avenue sometime before 10 a.m., where carbon monoxide levels were at 900 ppm. One person in the house woke up and called 911.

New Hampshire authorities suspect carbon monoxide poisoning caused the deaths of a man and a woman in a home. State police were requested to respond to the home in Lyman on Tuesday for a welfare check. They found the man and woman dead, along with several cats and dogs.

High levels of carbon monoxide in two Boston University residence halls left 25 students displaced early Tuesday.

An unknown number of residents were evacuated Monday morning after high levels of carbon monoxide were detected at an apartment building in Gardner, Massachusetts.

A family of four was hospitalized early Thursday morning after being exposed to carbon monoxide in their Methuen, Massachusetts home.

The Auburn, Massachusetts police department has completed fixing its Ford Explorer cruisers after last week’s carbon monoxide levels forced the SUVs out of commission.

The carbon monoxide issue that sent six Auburn, Massachusetts police officers to the hospital last week has been resolved.

A New Hampshire man is dead from carbon monoxide poisoning in Litchfield; a woman was also hospitalized.

A New Hampshire man is dead from carbon monoxide poisoning in Litchfield; a woman was also hospitalized.

Six people have been hospitalized after a carbon monoxide leak in Waltham, Massachusetts.

Terminal C at Boston’s Logan International Airport was temporarily evacuated on Sunday night due to high levels of carbon monoxide, believed to be caused by a snow-melting machine, Massachusetts State Police said.