The U.S. Capitol was put on lockdown on Thursday (October 3) after gunshots were fired outside the building, injuring several people including a law enforcement officer, a Senate aide and a Capitol police officer said.<br/> <br />The U.S. House of Representatives and Senate were in session when the gunshots were heard.<br/> <br />The U.S. government was partially shut down this week when lawmakers failed to agree on a budget.<br/> <br />Police called in a Medevac helicopter, a Senate aide and a U.S. Capitol policeman said.<br/> <br />The Senate chamber was locked with staff inside. Senate leaders were locked in their offices.<br/> <br />The shots were fired near the Hart Senate Office Building at 2nd St and Constitution Avenue Northeast, only a few blocks from the U.S. Supreme Court.
