Serena Hanor Aldrich said her daughters were trapped by floodwaters for a couple of hours at Camp Mystic, where as many as 25 girls are missing. She criticized camp officials.

The National Weather Service issued a series of upgraded warnings in quick succession as rivers across the region began to rise.

Local leaders denounced the episodes, which both took place on Friday evening: arson at a synagogue and a disturbance at an Israeli eatery.