This was near my workplace yesterday, 2/15/2008! See http://en.wikipedia.org/wiki/Randy_Simmons for details.

Part 1: http://video.google.com/videoplay?docid=9027880973620684326 (you're watching it; shows various vehicles like armor truck, cruisers, and even a passenger bus).
Part 2: http://video.google.com/videoplay?docid=6307405655390675921 (shows the hearst, police in uniforms saluting, etc.).
Part 3: http://video.google.com/videoplay?docid=-9079127503593633157 (people leaving)
Part 4: http://video.google.com/videoplay?docid=-6471825466865440726 (more people leaving)

I wrote a blog about it: http://aqfl.net/?q=node/5725 ...