Camp Mystic, the all-girls summer camp on the banks of the Guadalupe River in Texas, has confirmed that 27 children and counselors died in the flash floods that have tore through the area since Friday.

"Camp Mystic is grieving the loss of 27 campers and counselors following the catastrophic flooding on the Guadalupe river," started the statement on the website of Camp Mystic for Girls. "Our hearts are broken alongside our families that are enduring this unimaginable tragedy. We are praying for them constantly."