Crowds (Gentrification in medias res V)

In case you thought I'd forgotten about the photo essay...

Incident at 135th Street & Broadway
Early morning, 26 July 2009

Motorcycle Gang Based in Harlem
(corner of 125th Street & Broadway)

p.s. I never did find out what occurred at the corner of 135th St & Broadway on the night of July 25th/morning of July 26th; one possible explanation, though I have a hard time believing it caused all the police vehicles, is this:

http://www.nypost.com/seven/07262009/news/regionalnews/off_again__inn_again_181461.htm