The Boston Globe

12 killed, gunman dead in Washington Navy Yard shooting

The suspected gunman was identified as Aaron Alexis, 34, and police are hunting for a second possible attacker after a brutal rampage at the heavily secured military installation.

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First responders filled M Street in Washington, D.C.

Aaron Alexis, 34, was identified by authorities as a gunman in the shooting. He died during the attack.

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Employees were reunited with loved ones after being evacuated from the Navy Yard.

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Washington Police Chief Cathy Lanier briefed the media.

Law enforcement officers responded to the scene. One shooter was killed and two others may be at large, police said.

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Law enforcement officers responded to the Navy Yard in Washington, D.C., after several people were shot and killed Monday.

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A police helicopter hovered over the Navy Yard. One gunman was killed, officials said.

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Police snipers stood on the roof of a building at the Navy Yard complex.

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Emergency vehicles and law enforcement personnel responded to the shooting.

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Witnesses described a gunman opening fire from the fourth floor, aiming down on people in the first-floor cafeteria.

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Police kept watch on the east plaza of the US Capitol after the shooting at the nearby Navy Yard.

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District of Columbia Mayor Vincent Gray (right) spoke during a press conference with Police Chief Cathy Lanier.

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People were evacuated from the Navy Yard.

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Dr. Janis M. Orlowski of the Washington Hospital Center speoke about some of the shooting victims.

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About 3,000 people work at the Naval Sea Systems Command headquarters, which builds, buys, and maintains the Navy’s ships.

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Shortly after the gunfire, workers were told to seek shelter and later to head for the gates at the complex, a witness said.

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