Police in Las Vegas say they are investigating reports of an “active shooter” in the Strip, near Mandalay Bay Hotel and Casino.
It is believed the shooting happened at an outdoor country music festival
In video posted on social media, what sounded like automatic gunfire could be heard during the concert.
“Several” people have been taken to hospital with gunshot wounds, said University Medical Center spokeswoman Danita Cohen.
Las Vegas Police tweeted that “Vegas Blvd is shut down at Tropicana, southbound past Russell Rd” as they respond to the incident.