How many protesters were pepper-sprayed at the Smithsonian?

As "Occupy DC" protesters tried to enter the Smithsonian's Air & Space Museum on Saturday, who prevented them from entering the building.

But while the "official" story of events reported by the mainstream media repeat the museum spokesperson's claim that one officer used pepper spray, a video has emerged that supports the claim that the use of the spray was more widespread.

Watch the video below, originally uploaded to YouTube on October 8, 2011.