On Marathon Monday, a day typically full of city-wide celebrations, two bombs exploded near the Copley Square finish line of the Boston Marathon, leaving behind a bloody scene of destruction. Today, we take a look at the strength of those Americans who gathered to help out during this horrific tragedy. We've rounded up 12 of the most powerful images from #PrayForBoston.

Bostonians won't take this on the chin. Like New Yorkers more than a decade ago, they'll rise up stronger and thumb their nose at those who would attack our freedom. -David Callaway, EIC of USA Today on the Bostonian fighting spirit