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.

Texas Gov. Greg Abbott expanded the state’s disaster declaration to include six more counties after widespread flooding and storm damage. Officials confirmed 32 people have died, 14 of them children,