Site of the Boston Marathon Explosion Two explosions near the finish line at the Boston Marathon caused dozens of injuries.
http://www.nytimes.com/interactive/2013/04/15/us/site-of-the-boston-marathon-explosion.html?_r=0
Boston Globe video
http://www.boston.com/video/viral_page/?/services/player/bcpid2080955193001&bckey=AQ~~,AAAAAA6piHY~,DqRT40XOAr8XmRt9Lw9Lza1eXkXEagX8&bctid=2303076923001