United Kingdom, Sept. 1 -- Jason Aldean had "kind of a breakdown" in the months after the Route 91 Harvest Festival shooting.

The 48-year-old singer was on stage at the event in Las Vegas on 1 October 2017 when 60 audience members were killed and more than 800 more were injured and he's now looked back on the days after the tragedy and how little time he had to process what happened.

Speaking on the Armchair Expert podcast, he said: "It was a festival like we've done a million times.

"It was just obviously something that we weren't prepared for.

"We finally got out of there the next afternoon, home and you're just glad to be home, show up my mom's crying.

"You know, my oldest daughter was in school, freaking out, thinking that somebo...