Hundreds of 911 calls from the catastrophic flooding that inundated parts of the Texas Hill Country on July 4 have been released, revealing the horror and devastation that turned a national holiday into a tragedy.

The audio of the calls to be released would be distressing, Kerrville Police Chief Chris McCall said Thursday.

“Some callers did not survive,” he said in a video announcing that the audio would be released. “We ask that you keep them and their family members, loved ones and friends in your thoughts and prayers.”

The Kerrville Police Department said the calls were being released in compliance with Freedom of Information Act requests from eight media outlets.

Station Acuna Mexico performs search and rescue operations in the Guadalupe River near Camp Mystic on July 10 in Hunt,

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