Bay Area May Day protests

<div class="meta image-caption"><div class="origin-logo origin-image"><img src="http://cdn.abclocal.go.com/assets/news/kgo/images/logos/origin.png" alt="KGO"></div><span class="caption-text origin-image"><p>Oakland police officers and protesters clash during a May Day march in downtown Oakland. One officer got hit with a liquid believed to be yellow paint. &#40;May 1, 2012&#47;KGO&#41;</p></span></div>
May 2, 2012 2:19:23 AM PDT