Boston Marathon bombings anniversary

<div class="meta "><span class="caption-text ">Police salute as a U.S. flag is raised at the finish line during a tribute in honor of the one year anniversary of the Boston Marathon bombings, Tuesday, April 15, 2014 in Boston. &#40;AP Photo&#47;Charles Krupa&#41;</span></div>
April 15, 2014 1:24:27 PM PDT