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.

Camp Mystic, a 99-year-old Christian summer camp for girls in Texas Hill Country, was hosting 750 children this week when catastrophic flooding struck the Guadalupe River early Friday, leaving at least 20 children missing.

Parts of central Texas saw a month’s worth of rain in just a few hours overnight into Friday, prompting multiple flash flood emergencies. Follow for live updates on the rescue effort, including the search for more than 20 girls from a summer camp in the region.