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.

The deadly floods that struck Texas on the 4th of July caught local officials off guard as the torrential rains caused the Guadalupe River to overflow in minutes.