The chilling video of the Boston Marathon explosions were recorded by one the runners.
Watch it below:
Each new piece of eyewitness footage of the Boston Marathon bomb blasts only makes the horror more real for those who weren’t there. This video drives home just how loud the explosions were. Recorded from a runner’s point of view, the heavy breathing of a marathon effort gives way to the immense bang of one of the explosions and, most horribly, the ensuing screams.