At least 24 people are dead and more than 20 campers are missing after flash floods tore through Texas, prompting massive rescue efforts and leaving families desperate for answers.

More than 25 girls are missing from a 99-year-old Christian summer camp in Texas after deadly flooding swept the Southern state this weekend. Camp Mystic, located in Hunt, Texas, was hosting 750 children this week when heavy rain caused water from the Guadalupe River to flood in the early morning hours July 4.