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.

Authorities stressed that the situation was still developing and that the death toll could change, with rescue operations ongoing.

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