Assisted living centers are rare in Mass, but many families still don’t know what they offer or how they differ from other elder care facilities.

A tenth victim has died as a result of injuries sustained in a fire an assisted-living facility in Fall River, Massachusetts.

A 10th victim has died from the fire that ripped through a Massachusetts assisted-living facility earlier this week, officials said Thursday, as records and accounts from staff raise concerns about conditions at Gabriel House before the blaze.