Surfside building collapse: Death toll rises to 4 as rescuers put own lives at risk to find survivors

A massive rescue effort is underway Friday morning in Surfside, Florida, in response to the partial building collapse that killed at least four people and resulted in nearly 100 people being unaccounted for. Miami-Dade County Mayor Daniella Levine Cava told ABC's "Good Morning America" on Friday that three bodies were pulled from the rubble overnight, bringing the total death toll to four. Cava said so far foul play does not appear to have been a factor, but said investigators are not ruling anything out. -- More...