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

Texas Gov. Greg Abbott warned Sunday that additional rounds of heavy rains lasting into Tuesday could produce more life-threatening flooding.

Three days after devastating floods killed at least 66 across Central Texas, 11 campers and one counselor remain unaccounted for from Camp Mystic, officials said during a press conference. Rescue operations are ongoing along the Guadalupe River,