Another eight people were still listed as officially missing Friday following the early morning blaze at the Residence du Havre in L'Isle-Verte on Jan. 23.
Eight of the 24 dead have been officially identified by Quebec coroner's officials.
Quebec provincial police said on their Facebook page they were working on a part of the seniors' residence that could be where the fire began.
A commemorative ceremony will be held in L'Isle-Verte on Saturday morning.
Prime Minister Stephen Harper and Gov. Gen. David Johnston are among those set to attend the event.
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