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Pig-masked man among burglars to hit Bellagio jewelry store in Las Vegas

LAS VEGAS, NV - OCTOBER 16: A general exterior view of The Fountains of Bellagio on October 16, 2013 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

(CNN) — At least three well-dressed masked burglars, carrying sledgehammers, smashed their way into a high-end jewelry store early Saturday at one of Las Vegas’ most luxurious hotels.

The burglary prompted authorities to lock down parts of the swanky Bellagio Resort & Casino and sent panicked guests rushing outside.

Las Vegas Metropolitan Police Lt. Carlos Hank said the men were wearing suits and at least one had on a pig mask. Hank added authorities believe one of the men was carrying a gun.

Three suspects are in police custody and being interviewed by investigators.

Twitter user Kira Kamil described seeing the burglary.

“Literally just witnessed an armed robber in a pig mask at a Rolex store at the Bellagio & then his arrest,” Kamil wrote.

No one was injured during the daring attempt, police said.

Twitter user Nino also said he was at the hotel at the time and “had to run to escape.”

Authorities said it is too soon to put a price tag on the theft.