Images of the violent South Street flash mob

<div class="meta image-caption"><div class="origin-logo origin-image none"><span>none</span></div><span class="caption-text">This still from a video posted on YouTube shows a violent flash mob rampaging down South Street in Philadelphia on Saturday, March 20, 2010. </span></div>
March 24, 2010 6:14:14 AM PDT