Shooting At The Capitol

More updates at the Guardian live-blog. Update: confirmation from Reuters regarding Twitter reports on the fate of the suspect:

A woman suspected of being involved in a car chase across central Washington was shot and killed by police outside the U.S. Capitol building on Thursday, a U.S. official said. The incident, which sparked a lockdown of Congress, began when the woman tried to ram through security barricades outside the White House. The official said a Capitol policeman was injured when the car driven by the suspect crashed outside the Capitol.