In this frame grab from Saturday, April 20, 2013, video, Massachusetts General Hospital nurse Maria Vareschi talks about the horrible early hours as bloody patients poured in after the explosions at the Boston Marathon.
In this frame grab from Saturday, April 20, 2013, video, Massachusetts General Hospital nurse Maria Vareschi talks about the horrific early hours as bloody patients poured in after the explosions at the Boston Marathon. (AP Photo/Carla K. Johnson)