The Massachusetts assisted-living facility where a fatal fire killed nine people was caring for dozens of aging residents reliant on wheelchairs and oxygen tanks, but it lacked the safety measures and most of the staffing requirements that are commonplace in nursing homes.

Gabriel House was an assisted living residence, according to the state of Massachusetts. Here's how the state defines that

A fire at the Gabriel House assisted-living facility in Fall River, Massachusetts, has claimed its 10th victim. The blaze, which trapped residents and injured many, raises concerns about safety regulations in such facilities.

The 100-unit assisted-living facility that burned Sunday night, killing nine people so far, opened in 1999 in Fall River, Massachusetts. Some photos on its Facebook page show neat rooms but older-looking carpeting and furniture, and before the fire state inspectors had hit the facility with health and safety citations.

WBZ-TV 's I-Team has found Dennis Etzkorn, the owner of Gabriel House in Fall River, has legal controversies in his past.

At least nine people died and more than 30 were injured when a fire broke out at Gabriel House Assisted Living Facility.

The footage provides a harrowing glimpse of the desperate rescue operation by first responders at the Gabriel House fire on Sunday night.