Texas parents are frantically posting photos of their daughters and pleas for information as at least 23 campers from an all-girls summer camp remain missing after floods tore through the state’s south-central region.

A major search and rescue operation is continuing through the night in Texas after flash floods killed at least 24 people and left many girls missing from a Christian summer camp.

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