http://reuters.myway.com/article/20050511/2005-05-11T173816Z_01_N11199658_RTRIDST_0_NEWS-SECURITY-WASHINGTON-DC.html
> WASHINGTON (Reuters) - Fighter jets scrambled over Washington and > authorities hurriedly evacuated the White House and the U.S. Congress > on Wednesday when an unidentified plane roamed into restricted > airspace, sparking fears of a Sept. 11-style attack. > > The light private Cessna ignored calls from air traffic controllers and > entered the restricted zone around Washington, coming within 3 miles of > the Capitol before turning away, authorities said. > > The plane's approach sent at least two F-16 fighter jets into the air > over the U.S. capital and hundreds of staff and tourists into the > streets outside the Capitol building, White House and Supreme Court in > an urgent evacuation. [...] > Capitol police swiftly moved senators, aides, lobbyists and > journalists toward Union Station, about two blocks away. Police used > bullhorns to order onlookers near the Capitol to "stay away from the > building." new terrorist target: Union Station