Police Responding To Active Shooter At Navy Yard
11:38 WASHINGTON (AP) - President Obama: 'We will hold those responsible for this 'cowardly act' responsible.'
11:16 WASHINGTON (AP) - DC Police Chief: May have 2 additional shooters at large after rampage at Navy Yard.
10:37 WASHINGTON (AP) - Federal Law Enforcement official says shooter at Washington Navy Yard has died...