Law enforcement officers secure an entrance to the White House and Treasury Department where a car chase began, ending in gunfire outside the U.S. Capitol in Washington, October 3, 2013. The U.S. Capitol was locked down briefly on Thursday after gunshots were fired outside the building following the car chase across central Washington and a number of people including a law enforcement officer were hurt, officials said. There was no apparent connection to terrorism in the car chase, a U.S. official said. REUTERS/Jonathan Ernst (UNITED STATES - Tags: CRIME LAW POLITICS)