Massachusetts fire marshal reports the Gabriel House fire that killed 10 and injured over 30 was accidental, possibly sparked by a resident smoking or a mechanical issue.

The cause of the Gabriel House fire that killed 10 assisted living residentsin Fall River this month is officially “undetermined” because investigators cannot yet say whether the fatal fire was started by the electrical or mechanical failure of an oxygen machine in a resident’s room,

Smoking or an oxygen machine issue may have sparked the deadly fire at Gabriel House Assisted Living Facility in Fall River, Massachusetts, a state fire marshal said.

Rescuing residents of Gabriel House was difficult because of window AC units — often a violation of building code that's difficult to enforce.

SUFFIELD — Firefighters pulled a victim while battling a house fire on Mather Street Tuesday morning, according to officials. The person's condition was not immediately known. Flames were seen coming from the roof of the garage area.

One person is dead following a house fire in Suffield on Tuesday. The fire broke out shortly before 10:30 a.m. at a home on Mather Street, according to the Suffield Police Department.

A fire that killed several pets in a Washington Township home Tuesday started after a dog accidentally turned on the kitchen burner.

PHOENIX (AZFamily) — Investigators are gathering evidence after a deadly fire broke out at a Phoenix home on Tuesday evening. Crews were called out to a house near 47th Avenue and Cactus Road. Details are very limited so fire officials would only confirm that a house fire had turned deadly. It’s unclear who died or where the body was found.