A Massachusetts family of four was found dead after a suspected carbon monoxide leak on Christmas Day, authorities said.

The 22-year-old graduated this year and was in her first year with Teach for America. Her parents and sister also died.

First responders across New Hampshire are finding ways to better maintain their mental health after a year of higher-than-normal numbers of carbon monoxide and smoke inhalation deaths.

Newton family dead at home in N.H., on Christmas Day after exposure to carbon monoxide, according to New Hampshire State Fire ...

Investigators on Friday identified a Massachusetts couple and their two daughters as the victims of suspected carbon monoxide ...

Dayle Haddon, the celebrated actress and former supermodel, has tragically passed away from suspected carbon monoxide ...

A family of four was found dead inside a New Hampshire vacation home on Christmas from what appeared to be carbon monoxide ...

A Newton, Massachusetts, family has been identified as the victims of a carbon monoxide tragedy in New Hampshire on Christmas ...

A Massachusetts couple and their two daughters were identified by authorities Friday as the victims of suspected carbon ...

Four people were found dead in a New Hampshire home on Christmas Day of suspected carbon monoxide poisoning, officials said.

The four people believed to have died from carbon monoxide poisoning in a New Hampshire home on Christmas Day have been ...