The death toll from catastrophic floods in Texas reached at least 78 on Sunday, including 28 children, as the search for girls missing from a summer camp continued and fears of more flooding prompted evacuations of volunteer responders.

Residents of Kerr County began clearing mud and salvaging what they could from their demolished properties as they recounted harrowing escapes from rapidly rising floodwaters late Friday.

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