Aftermath of the Boston Marathon explosions. (Photos: Sceencap via NBC / Reuters [top]; John Tlumacki / The Boston Globe [middle left];Elise Amendola / AP [middle right]; Winslow Townson / AP [ bottom], all via the New York Times)
Aftermath of the Boston Marathon explosions. (Photos: Sceencap via NBC / Reuters [top]; John Tlumacki / The Boston Globe [middle left];Elise Amendola / AP [middle right]; Winslow Townson / AP [ bottom], all via the New York Times)