CLEAN : 159 unaccounted for, at least four dead in Florida building collapse: Mayor

The transcript provides an update with both positive and negative news. Initially, it mentions good news, followed by an increase in the number of unaccounted individuals, which has risen to 159. Tragically, the death count has also increased to 4.

What can be inferred about the situation based on the unaccounted number and death count?

What is the significance of the number 4 in the text?