0Boston Marathon Explosion: Breaking Updates BreakingIn the wake of yesterday's bombing, at least three people are dead, including an 8-year-old boy and a 29-year-old woman, and some 176 people are injured. Follow the latest developments here. The Daily BeastUpdated Apr. 21, 2017 10:43AM ET / Published Apr. 15, 2013 3:07PM ET John Tlumacki/The Boston Globe via Getty