Tearful families wait as bodies remain under failed bridge

Authorities said Friday that cables supporting a pedestrian bridge under construction in Florida were being tightened following a "stress test" when the 950-ton concrete span collapsed over traffic, killing at least six people, injuring 10 others and flattening an untold number of cars.Officials expected to find more bodies in the rubble. People who haven't heard from their loved ones congregated near the scene Friday.Jorge and Carol Fraga drove from West Palm Beach, fearing their relative's car