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.

Officials are continuing to investigate the cause of a fire at a Massachusetts assisted living facility that killed nine people and critically injured another.

Flames roared through an assisted-living facility in Massachusetts, killing nine people and trapping residents inside, including some who leaned out of windows and screamed for help.