WBAL reports that the U.S. District Court building in Baltimore has been evacuated, and police have closed a number of streets around the courthouse, as police search a suspicious package left outside the building. Reports are that police subdued a man with a gun outside the courthouse this morning. U.S. Marshals then began searching a suspicious package the man left behind. The building has been evacuated as a precaution. Portions of Pratt and Lombard Streets, as well as other streets near the courthouse have been closed to traffic.