Families sifted through waterlogged debris Sunday and stepped inside empty cabins at Camp Mystic, an all-girls summer camp ripped apart by flash floods that washed homes off their foundations and killed at least 78 people in central Texas.

The grueling, desperate search for 27 missing girls stretched into a third day on Sunday after raging floodwaters surged into a summer camp as rescuers maneuvered through challenging terrain,