Breaking News: Gunman opens fire during Las Vegas concert

A gunman on the 32nd floor of Mandalay Bay casino opened fire during Route 91 Harvest Festival., killing at least 20 people — including two off-duty police officers — and wounding more than 100, officials said early Monday. Country music star Jason Aldean was performing when the shots began ringing out Sunday night at the Route 91 Harvest Festival. Subscribe: http://trt.world/subscribe Livestream: http://trt.world/ytlive Facebook: http://trt.world/facebook Twitter: http://trt.world/twitter Instagram: http://trt.world/instagram Visit our website: http://trt.world