Las Vegas Shooting: How Jason Aldean and Other Country Stars at Route 91 Harvest Festival Are Reacting
12 Other Concert and Night Club Tragedies Before Las Vegas Shooting

"Tonight has been beyond horrific," writes Jason Aldean in the wake of the deadliest mass shooting in modern U.S. history.

Some of the biggest names in country music are speaking out after Sunday's deadly Las Vegas shooting, where at least 50 people were killed and another 406 injured when shots were fired at the 91 Harvest Festival.

The gunman, 64-year-old local resident Stephen Paddock, opened fire from the 32nd floor of the Mandalay Bay Hotel toward the crowd as headliner Jason Aldean was on stage. Paddock was later found dead at by officers inside his hotel room.

Aldean made it to safety, posting a message to Instagram earlier this morning to let everyone know he and his crew were OK. "Tonight has been beyond horrific. I still don't know what to say but wanted to let everyone know that Me and my Crew are safe," he posted. "My Thoughts and prayers go out to everyone involved tonight. It hurts my heart that this would happen to anyone who was just coming out to enjoy what should have been a fun night. #heartbroken #stopthehate."

His wife, Brittany Aldean, also called the incident "horrific" in her own social media post.

The weekend-long festival included performances from artists like Sam Hunt, Jake Owen, Lauren Alaina and Big & Rich. Owen went to his Twitter page as the shooting was happening, tweeting "Love you Pearl," a message to his 4-year-old daughter. He later tweeted that he's "okay."

Other artists who performed over the weekend also shared their thoughts and prayers following the shooting:

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