Firefighters search mud after Brazil dam collapse; 58 dead

Civil firefighters survey a destroyed rail bridge on Sunday, two days after a dam collapse in Brumadinho, Brazil. (AP Photo/Leo Correa)

BRUMADINHO, Brazil — Firefighters are carefully moving over treacherous mud, sometimes walking, sometimes crawling, in search of survivors or bodies left by a dam collapse that buried mine buildings and surrounding neighborhoods with iron ore waste.