Update: Shooting in Las Vegas leaves at least 20 Dead

LAS VEGAS, NV – OCTOBER 01: People run from the Route 91 Harvest country music festival after apparent gun fire was hear on October 1, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 20 people dead and more than 100 injured. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by David Becker/Getty Images)

At least 20 people have been killed, with over 100 injured, in a shooting near the Mandalay Bay Resort and Casino in Las Vegas.
Musician Jason Aldean, the last performer of the night, performed at the Route 91 Harvest country music festival when gunshots broke out.