Rescue operations are ongoing in Central Texas after flash flooding along the Guadalupe River left 23 girls from Camp Mystic unaccounted for. Officials say dozens have died as catastrophic floods continue to ravage the Hill Country.

Heavy rains unleashed a “catastrophic” and deadly flood Friday on the Guadalupe River in Central Texas, prompting evacuations and a frantic search for missing people. At least 32 people were killed in the flood, officials said Saturday afternoon, as both state and county authorities emphasized many unknowns remain.