Strong earthquake rocks Mexico

<div class="meta image-caption"><div class="origin-logo origin-image "><span></span></div><span class="caption-text">A child cries after she and her classmates were evacuated from her school in the Roma neighborhood when an earthquake was felt in Mexico City, Tuesday March 20, 2012.  A strong, long earthquake with epicenter in Guerrero state shook central southern Mexico on Tuesday, swaying buildings in Mexico City and sending frightened workers and residents into the streets. &#40;AP Photo&#47;Alexandre Meneghini&#41; (AP Photo&#47; Alexandre Meneghini)</span></div>
March 20, 2012 2:32:28 PM PDT