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.

At least 21 children are among the dead, Kerr County Sheriff Larry Leitha said at a news conference Sunday morning. There are several major camps in the area. At one of them, Camp Mystic, on the banks of the Guadalupe River,