Elderly residents – some in wheelchairs and some dependent on oxygen tanks – were blinded by deadly smoke as they tried to escape an assisted-living facility in Fall River, Massachusetts, which caught fire Sunday evening.

As investigators work to determine what sparked the deadly fire at a Fall River assisted living facility, here’s how you can help keep your loved ones who live at similar places safe.

Advocates for the state’s seniors said there are longstanding concerns about lax oversight of assisted living facilities, which offer some personal assistance but not the type of intensive medical ca...