In light of recent terror attacks in Paris and Mali tensions are running high in high profile public locations. Yesterday, Police tackled an emotionally disturbed 30-year-old man waving around a Samurai sword in Apple's flagship New York City location on Fifth Avenue Friday afternoon, according to NBC.

Video captured from inside the store posted to social media shows Hsu Chien sitting down on the stairs, waving the sword around his head and then dropping it onto the stair platform. He then gets up and starts walking down the stairs, holding the sword in both hands over his right shoulder.

"I have never in my life felt so terrified," Nancy Birnbaum, who was at the store's Genius Bar, said. "He pulled his sword out and everybody got back. I honestly thought that was it."

Chien was tackled by two off-duty officers paid by Apple to provide security. An extensive NYPD presence was visible outside the building.

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