Las Vegas, Oct 2 Las Vegas police on Monday alerted people to avoid the area near the Mandalay Bay Casino on the city’s Strip due to reports of an active shooter, media reports said.
Las Vegas Metro Police issued the warning via a Twitter post, CNN reported.
At least one gunman is reported to have opened fire at a country music festival taking place at the Strip, reports the BBC.
Videos on social media showed hundreds of people fleeing from the scene. The sound of what appears to be automatic gunfire can be heard in some clips.
Live footage from the scene showed a heavily armed police presence.
There were unconfirmed reports of multiple casualties.
A hospital spokesperson told CNN that multiple people have been taken to hospital with gunshot wounds.