Possible manhunt underway for two additional shooters

12:11 PM ET Mon, 16 Sept 2013

As far as we know this is an isolated incident, said DC Mayor Vincent Gray, with the latest details on the Washington DC shooting. But the investigation is still very active and there may be an additional two shooter still out there, said Cathy Lanier, Washington DC police chief. Also Eamon Javers provides the latest details on the shooting from the scene.