D.C. Navy Yard Shooting Kills at Least 4

At least 8 have been wounded in the developing situation.

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Police work the scene on M Street, SE, in Washington, where a gunman was reported at the Washington Navy Yard on Monday, Sept. 16, 2013.

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At least four people have been killed and eight people have been injured by a suspected lone gunman located at the Washington Navy Yard Monday morning, according to local news reports and confirmed by the U.S. Navy.

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The suspected shooter, described as a black male, was likely armed with an AR-15, a military-style assault weapon, and has also reportedly been injured.

Police work the scene on M Street, SE, near the Washington Navy Yard on Monday, Sept. 16, 2013, in Washington, D.C. (Saul Loeb/AFP/Getty Images)

Ronald Reagan Washington National Airport has also temporarily has suspended flights because of the proximity of SWAT and rescue helicopters over the Navy Yard.

About 3,000 people – civilian and military – work at the Naval Sea Systems command headquarters where the shooting took place and have been asked to "shelter in place" following the initial reports of the shooting at about 8:30 a.m.

A U.S. Park Police helicopter removes a man in a basket from the Washington Navy Yard on Monday, Sept. 16, 2013, in Washington, D.C. (Jacquelyn Martin/AP)

Among the injured are two law enforcement officers, one federal and one local, according to The Washington Post.

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Police, fire and rescue vehicles have swamped the scene, where the gunman is still at large and SWAT teams have been seen entering the building.

Police work the scene on M Street, SE, near the Washington Navy Yard on Monday, Sept. 16, 2013, in Washington, D.C. (Saul Loeb/AFP/Getty Images)

There were reports of a second round of gunshots at around 9:15 a.m., according to NBC News.

Area schools in the densely populated neighborhood have been locked down as a precautionary measure.

 

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