Video shows collapse of Miami-area condo building

A film shows the moment an apartment block in Miami-Dade in Florida suddenly caved in. Hundreds of people remain unaccounted for after the partial collapse of the beachside building, and four people have already been confirmed dead.Miami-Dade's mayor, Daniella Levine Cava, noted on Friday that rescue officials were still searching for survivors more than 24 hours after the building collapsed early on ThursdayMiami condo collapse: death toll rises to four with more than 150 unaccounted for Contin