Investigators are looking into a number of issues including the possibility that the fire was caused by smoking near an oxygen tank.

"Thank you, Detective Monteiro, for reminding us all what service with compassion truly looks like," Fall River Police wrote in a social media post.

First responders rescued dozens of people from inside an assisted living facility where nine people were killed.

A blaze at a Massachusetts assisted-living home Sunday killed a musician, a secretary, a veteran Army sharpshooter and six other people. Some in her family say Gabriel House wasn’t

The Gabriel House assisted living facility did not perform fire drills or train workers in evacuation procedures and was also understaffed and poorly maintained, according to a current and former employee interviewed in the aftermath of the fatal fire there that killed nine residents.