Resident Steven Oldrid alleged that he was “trapped in his room, suffered smoke inhalation, respiratory distress, and loss of consciousness” during the July 13 blaze.

The exact cause of the fire at the Gabriel House assisted living facility in Fall River may never be known, but investigators have narrowed the cause down to two possibilities, officials announced Tuesday afternoon.

A survivor of the deadly fire at the Gabriel House assisted living home in Fall, River Massachusetts is now suing the owner.