"If a State Fire Marshall cannot tell the difference between these detectors, how can I be expected to?" the daycare owner told families.

Building Blocks Learning Center plans to close permanently after at least 11 people were hospitalized in the gas leak.

Boonsboro Volunteer Fire & Rescue reports responding to a home with a carbon monoxide leak resulting in injuries on February 19. Boonsboro Fire officials said around 9:23 p.m. on Wednesday, crews responded to a home at the 3000 block of Trent’s Ferry Road after reports of a person with carbon monoxide

A day care in Kittery, Maine, will close permanently after several people were treated for carbon monoxide poisoning last week.

Calgary police say one woman has died and a child was hospitalized after emergency crews were called to a southwest home on a suspect incident of carbon monoxide poisoning on Tuesday.

A Kittery child care center where nearly a dozen people were treated for carbon monoxide poisoning last week did not have a working carbon monoxide detector.