Thanks for posting that. I gotta say, it seems the house was completely destroyed, so it seems strange to me they would not have found the bodies, I don’t suppose they could have burned up entirely, do you? But it looks like all the furniture and everything else is just.....gone.
From reading the article closely, I believe what happened is that the bodies and lots of debris collapsed into the basement area. That much compacted debris would still be very hot and smoldering in some places and soaked with water in others, with possible live wires or exposed gas lines as first responders got there. These conditions would prevent them from being able to excavate, or even see, any bodies, at least for the first day and a half, if not more. It would require painstaking forensic sifting after it became safe enough to approach. Until a positive ID from bone fragments or DNA, an announcement could not be made by officials, although it looks like family members have made the logical assumption and they told the school and their friends.