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.

At least 24 people are dead following extreme flooding that slammed Texas Hill Country overnight on Friday, according to officials. At least 20 girls from a summer camp remain missing.

The death toll from devastating floods in the Texas Hill Country rose to 24 Friday night, officials said, as the search for more than 20 people missing from a girls summer camp continued through the night.