Rescue efforts included over 2,100 responders on the ground, private helicopters, drones, boats and cadaver-detecting dogs.

All campers from the all-boys Camp La Junta survived and are safe, officials from the Kerr County camp said. "We are profoundly grateful that every boy at Camp La Junta is safe, yet our hearts are heavy,

The Community Foundation says it will announce a major milestone in the response to its Kerr County Flood Relief Fund and the first round of grant recipients.

As the Guadalupe River swelled from a wall of water heading downstream, sirens blared over the tiny river community of Comfort -- a last-ditch warning to get out for those who had missed cellphone alerts and firefighters going street-to-street telling people to get out.