Police are looking for a pair of parachuters wearing black suits and helmets who landed near the World Trade Center site in lower Manhattan early Monday, Commissioner Ray Kelly said.
The parachuters landed on the sidewalk at about 3 a.m. near the Goldman Sachs building on West Street, Kelly said.
It's not clear what they were doing or where they came from. The FAA is looking into the matter.
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According to a law enforcement official, the parachuters are seen on video in the air, and then in the landing.
There is also video of one of the men dragging the parachute through a plaza in the Financial District.
Police are looking for more images to try to identify them.