NEW YORK (CBSNewYork) – A man in his 40s was seriously hurt when he climbed over a railing and plunged three stories inside the World Trade Center Oculus transportation hub Tuesday, police said.

Chopper 2 was over the scene when the man was placed in an ambulance around 12:15 p.m. He was taken to NYC Health + Hospitals/Bellevue in serious condition.

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Port Authority Police said the man jumped from the East staircase onto the Oculus floor. 

Witness Rhonda Galbo was on her way to work at a jewelry store.

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“I saw him in midair and fall on the ground,” she told WCBS 880’s Alex Silverman.

Spencer Russell was working at a kiosk about 50 feet away.

“He didn’t move for many minutes,” he said. “We are lucky to have the cops, the National Guard around to take care of incidents.”

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Earlier this year, a 29-year-old New Jersey woman fell about 30 feet to her death off an escalator inside the Oculus.