That is every motorhome owner's nightmare! I am glad everyone was able to exit safely. But that is hard to watch.
If anyone ever had any doubts about abandoning a burning rig, especially witnessing the propane fire, this should end that discussion.
As previously asked, did you ever have a clue about what started the fire in the first place?
Very sorry you had to endure this, but maybe a lesson to the rest of us....