(AP Photo) Las Vegas police stand guard along the streets outside the festival grounds of the Route 91 Harvest.
(AFP Photo) People run from the New York New York during an active shooter situation on the Las Vegas Strip in Las Vegas. A person lies on the ground at the Route 91 Harvest country music festival after gun fire was heard.
A witness said he heard what sounded like fireworks while he was watching Jason Aldean’s performance at the Route 91 Harvest country music festival.