These nut jobs are why sane people need to be armed.
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DEVELOPING: A gunman has fired three shots at a Navy building in Washington, injuring at least one person, U.S. Navy officials announced Monday.

A police spokesman told The Washington Post that a D.C. police officer was shot near the room where a lone gunman has barricaded himself after allegedly shooting at least three people on the Navy Yard grounds in southeast Washington.

A defense official who spoke to The Associated Press on condition of anonymity because he was not authorized to speak during an active attack said there were at least several injuries as authorities search for an active shooter.

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