UNDATED (WHTC) -- Authorities aren't speculating on a motive in today's deadly shooting rampage at the Navy Yard in Washington, DC. Police Chief Cathy Lanier says at least 12 people are dead and several more wounded. Lanier went on to say that some officers have been injured but only one by gunfire. The yard remains on lockdown and officials have set up about a two-mile perimeter. Lanier says an active search for more shooters is ongoing. At least two other gunman may have been involved. One was dressed in a tan, military-style uniform. Another is wearing an olive fatigues. There's no word on whether the shooters are or were members of the military. Lanier says the situation is still fluid.
Story by: Diane E Coston (courtesy of Metronetworks)