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.

Flames roared through an assisted-living residence in Massachusetts, killing nine people, injuring 30 others and trapping residents inside.

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