SOURCE: News Articles: FAIR USE NOTICE: This video may contain copyrighted material. Such material is made .\r
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SOURCE: News Articles: Police say as many as 2 shooters have killed 4, injured 8 on grounds of Washington Navy Yard .\r
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Eye witness describes shooting at Washington Navy Yard Eye witness describes shooting at Washington Navy Yard Eye witness describes shooting at .\r
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Navy yard Shooting Eye Witness describe suspect - shooters inside US navy yard Washington DC 9/16/13 massive shooting Gunman opens fire at Navy Yard in .