A thief pretending to have a gun tied up a manager of a New York City restaurant and then stole $8,000, WCBS reported.

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The incident happened Friday at 1 a.m. at the Knickerbocker Grill in the Greenwich Village section of Manhattan, the television station reported.

Police said the suspect entered the restaurant through a side door and encountered the 62-year-old manager in the basement, WNBC reported. The suspect showed the manager what looked like a gun and then tied up the man's wrists and feet with duct tape before stealing the money, WCBS reported.

A surveillance camera caught a partial image of the suspect, the television station reported.