Previously aired video shows coverage of the CO poisoning incident as it was breaking. MARYSVILLE, Ohio (AP) — Authorities say a blocked fresh-air intake at a hotel pool equipment room may have been ...

UNION COUNTY — In late January, more than a dozen people were treated at nearby hospitals following their exposures to elevated levels of carbon monoxide at a Hampton Inn in Marysville. A report from ...

MARYSVILLE, Ohio — A fresh-air intake was blocked in a pool equipment room at a Hampton Inn in Marysville where there was a carbon monoxide emergency last week, according to a report from a State Fire ...

MARYSVILLE, Ohio (WCMH/AP) — Authorities said a blocked fresh-air intake at a hotel pool equipment room may have been to blame for a carbon monoxide buildup that sent more than a dozen people to ...

MARYSVILLE, Ohio (AP) — A blocked fresh-air intake at a hotel pool equipment room may have been to blame for a carbon monoxide buildup that sent more than a dozen people to hospitals more than a week ...