LAS VEGAS, NV - OCTOBER 02: A banner hangs on the fence at the Route 91 Harvest country music festival grounds after a active shooter was reported on October 2, 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)