At least 68 deaths—including the deaths of 21 children—have now been confirmed in the central Texas flash floods, according to the latest update from officials, though dozens of children from a summer camp remain unaccounted for as blame swirls over preparedness and whether residents were properly alerted.

Before heading to bed before the Fourth of July holiday, Christopher Flowers checked the weather while staying at a friend’s house along the Guadalupe River. Nothing in the forecast alarmed him. Hours later,