Washington DC US Navy base (Wikipedia)
The US Navy has confirmed that at least four people have been killed and 10 injured after a gunman opened fire at a Navy yard in Washington DC.
One victim was shot in the head, according to authorities.
Washington Police confirmed there were 10 victims in the shootings, including one police officer, but reports coming out of the naval yard conflicted.
Ed Buclatin, the director of public affairs at the Navy Installations Command in Washington, tweeted:
#BREAKING: 4 killed and 8 injured. One shooter down #NavyYardShooting #Navy #CNICHQ
- Ed Buclatin (@EdBuclatin) September 16, 2013
Early police reports said that the gunman was acting alone and had barricaded himself in a room after the shooting.
However, the Washington Post reported that three shooters were involved. One of them was allegedly "down" but it was unclear whether that meant the suspect had been arrested or shot.
AP reported that the shooter has been "contained" but was not in custody. The other two remain at large, said the Post.
Three thousand people work at the yard. A "shelter in place" order was issued to all personnel. Officials have described the suspect as an adult black male, of medium complexion, bald, and 6ft tall.
The Naval Sea Systems Command Headquarters (Navsea), the largest of the Navy's five system commands, is based at the Washington yard. With a fiscal year budget of nearly $30bn, Navsea accounts for one quarter of the Navy's entire budget.
A picture of the injured (Tim Hogan/Twitter)
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