Multiple people were injured in after a shooting in Las Vegas near Mandalay Bay Resort and Casino Sunday, Clark County Fire Department officials confirmed to NBC News.
Las Vegas police said they were investigating reports of an active shooter near or inside the casino.
Mandalay Bay is located on the south end of the Vegas strip on Las Vegas Boulevard and across from McCarran International Airport.
Police shut down Las Vegas Blvd and urged the public to stay away. Flights were being held in and out of the airport.
The final night of the Route 91 Harvest Music Festival was taking place across the street from Mandalay Bay when the reported shooting took place.

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Jon Bessette said he was attending the Rout 91 music festival when he heard gunshots around 10:00 p.m. “The band ran off stage and it was pandemonium,” Bessette said. “Everyone was running, people were getting trampled.”


Several artists performing at the music festival also reported hearing gunshots.
This is a developing story. Please check back for updates.