We've gathered pictures of The Boston Marathon tragedy that people have posted around the net and compiled them here. Keep in mind that some of these pictures are very graphic. 

imgur
imgur
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instagram
instagram
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instagram
instagram
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instagram
instagram
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instagram
instagram
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instagram
instagram
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twitter
twitter
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twitter
twitter
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twitter
twitter
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twitter
twitter
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twitter
twitter
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twitter
twitter
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twitter
twitter
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instagram
instagram
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Our thoughts and prayers go out to all of those affected by this tragedy.