The Route 91 Harvest Country Music Festival in Las Vegas was marred by violence on Sunday when a gunman opened fire at the event.
Las Vegas Police have confirmed that they are investigating an active shooter situation at the Mandalay Bay Resort and Casino, next to where the outdoor festival was being held at the Luxor Hotel & Casino.
We're investigating reports of an active shooter near/around Mandalay Bay Casino. Asking everyone to please avoid the area. #LVMPDnews