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.

At least 70 people have died and many children are missing in the Texas Hill Country after catastrophic flooding that left officials struggling to explain whether they did enough to warn people of the fast-rising waters.