Police officers react to a second explosion at the finish line of the Boston Marathon in Boston yesterday. Two explosions shattered the euphoria of the Boston Marathon finish line, sending authorities out on the course to carry off the injured while the stragglers were rerouted away from the smoking site of the blasts. (AP Photo/The Boston Globe, John Tlumacki)
- NDN Video
- NOW TRENDING: Peyton Manning dancing at practice Golden Sisters on '50 Shades' trailer: 'Look At That Chest!' 'Hunger Games: Mockingjay Part 1' Sneak Peek "The Bachelorette" Makes Her Decision Chapter Two: Designing for Naomi Watts Thieves pick the wrong gas station to rob Staten Island Man's Emotional Dunk Over NYPD Car - @TheBuzzeronFOX GMA: Dog passes out from excitment to see owner Baseball Hall of Famers Inducted Florida Keys Webcam Captures Turtles Hatching Morgan Freeman Sucks Down Helium on 'Tonight Show' Robin Wright Can Dance! (WATCH) She's Back! See Paris Hilton's New Carl's Jr. Ad Big Weekend For Atlanta Braves In Cooperstown - @TheBuzzeronFox Chapter Two: Becoming a first-time director What's Got Jack Black Freaking Out at Comic-Con? Doctors Remove 232 Teeth From Teen's Mouth Bradley Cooper Explains His Voice in 'Guardians of the Galaxy' Deja vu: Another NYPD officer choke-holding a suspect 'Fifty Shades of Grey': Watch the Super Sexy First Trailer Now!