See images of the day's heroes and the tributes that are pouring in for those affected by the blast
Credit: Julio Cortez/AP
Updated: Wednesday Apr 17, 2013 | 12:00 PM EDT
By: Kate Hogan
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Runner Lizzie Lee joins mourners at a vigil in Boston Common on Tuesday. Lee was in the middle of her first Boston Marathon on Monday when two bombs exploded along the race route, killing three and injuring more than 170.
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