The police were called on Sunday to the Hyatt Regency Houston to help deal with Russell Ziemba, 49, who in a drunken state allegedly got into a confrontation with an off-duty officer.
A search of Ziemba's room led to the discovery of the semiautomatic weapon, a shotgun, a handgun and ammunition, the New York Post quoted the authorities as saying.
Ziemba reportedly told the police he was at the hotel to celebrate New Year's Eve and had brought the weapons so they would not get stolen.
The Houston Police said they did not believe he intended to use them unlawfully.
Ziemba was charged with assaulting a peace officer and trespassing.
The hotel's New Year's Eve bash is one of the largest in the city with about 2,000 people attending.
At least 59 people were killed on October 1, 2017, when a gunman opened fire on an open-air music festival from the 32nd floor of the Mandalay Bay hotel and casino on the Las Vegas strip.
It was one of the deadliest mass shooting in modern US history.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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