U.S. Park police respond to report of shooter at Navy Yard in Washington

U.S. Park Police are responding Thursday to a report of an active shooter at the Navy Yard inside the Washington, D.C., city limits, WUSA reports. An employee inside the 41-acre facility reports that alarms are sounding and the buildings are on lockdown, WUSA reports.

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There are no immediate report of casualties. The U.S. Navy confirmed on Twitter that a lockdown/shelter is in place, but said that no incident had yet been confirmed. More...