Las Vegas music concert massacre At least 50 people have been killed and more than 200 are injured after a gunman opened fire on crowds at a country music festival in Las Vegas. The attack is the deadliest mass shooting in U.S. history Sunday, 10.08pm local time: Automatic fire aimed at estimated crowd of 30,000 people attending Route 91 Harvest Festival Mandalay Bay Hotel and Casino: Shooter on 32nd floor, around 360m from crowd Las Vegas Strip Las Vegas NEVADA UNITED STATES 15 Excalibur Luxor Delano Four Seasons Tropicana Ave. MGM Grand Reno Ave. Tropicana McCarran International Airport – several flights diverted 200 metres 219 yards Source: Las Vegas Metropolitan Police Department © GRAPHIC NEWS