Workers stand next to a section of a collapsed pedestrian bridge on Friday near Florida International University in Miami. The new pedestrian bridge that was under construction collapsed onto a busy Miami highway Thursday afternoon, crushing vehicles beneath massive slabs of concrete and steel, killing and injuring several people, authorities said.

Workers stand next to a section of a collapsed pedestrian bridge on Friday near Florida International University in Miami. The new pedestrian bridge that was under construction collapsed onto a busy Miami highway Thursday afternoon, crushing vehicles beneath massive slabs of concrete and steel, killing and injuring several people, authorities said.