Authorities in Las Vegas on Thursday said there was no threat to the public after an earlier massive police response at a mall after reports of a person with a gun.

Shoppers at The Boulevard shopping mall earlier posted images on social media that showed dozens of police cars outside the mall.

“Video was obtained showing a person with a long gun, wearing a mask,” Las Vegas Metropolitan Police Deparment tweeted. “We’ve conducted 3 searches and are unable to locate the individual at this time. Not an active shooter, no shots fired and no citizens were injured.”

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