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.

Texas parents are frantically posting photos of their daughters and pleas for information as more than 20 campers from an all-girls summer camp remain missing after floods tore through the state’s south-central region.

Teams conducted dozens of rescues, and the emergency response continued as an unknown number of people remained unaccounted for.