Mass Shooting At Jason Alden Concert [VIDEOS]

Las Vegas Police continue to investigate a mass shooting during a Jason Aldean concert that left more than 20 people killed and hundreds injured.

Police say a gunman open fired using a semi-automatic weapon during a Jason Aldean Concert.

The gunman was killed by police and they say the gunman was known to the Las Vegas Police department and was a local resident of Las Vegas.

We will continue to update the story as more information is released by police.

Police have released the name of the gunman. The gunman has been identified as 64-year-old Stephen Paddock

Tonight has been beyond horrific. I still dont know what to say but wanted to let everyone know that Me and my Crew are safe. 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

A post shared by Jason Aldean (@jasonaldean) on Oct 2, 2017 at 1:17am PDT

Check out some video that was posted Twitter:  

NEW: Gunshots audible during Jason Aldean concert at Mandalay Bay Casino in Las Vegas; multiple victims hospitalized https://t.co/njyK8o022dpic.twitter.com/WhNHjEYZgn

— ABC News (@ABC) October 2, 2017

Video shows concertgoers crouching and taking cover as gunfire rings out near Mandalay Bay Casino in Las Vegas. https://t.co/tkK8DfpYKx pic.twitter.com/BxOtSQ4wzf

— ABC News (@ABC) October 2, 2017