Authorities Appeal to Public to Come Forward With Photos, Video
The blasts, which killed an 8-year-old boy and two other people, marked a grotesque end to what should have been a celebration of triumph.
One man's legs were instantly blown off, yet he kept trying to stand up. Exhausted marathoners had to muscle the energy to flee the bloody scene. And some 176 people sought treatment at area hospitals, some of them gravely wounded, Police Commissioner Ed Davis said.