Chaos on Capitol Hill

U.S. Capitol Police officers respond to reports of shots fired near the Capitol in Washington Oct. 3, 2013, following a high-speed car chase that started near the White House and ended on Capitol Hill.

The Capitol was placed on security lockdown after shots were fired outside the complex.

Police were seen running within the Capitol building and outside as vehicles swarmed to the scene.

Read more: Woman dead after chaotic Capitol car chase

A police officer carries a small child from a car involved in a high-speed car chase that started near the White House and ended on Capitol Hill into the Hart Senate Office Building in Washington Oct. 3, 2013.

Heavily armed U.S. Capitol Police officers race through the lobby of the Hart Senate Office Building after a reported shooting around the Capitol in Washington Oct. 3, 2013.

People run for cover as police converge to the site of a shooting on Capitol Hill Oct. 3, 2013.

Tampa Bay Times political reporter Alex Leary posted this photo to his Twitter account from Washington Oct. 3, 2013. "Something happening outside Capitol. Police running around with guns at ready."

A man runs for cover as a police officer takes a shooting position at the site of a shooting on Capitol Hill Oct. 3, 2013.

A woman driving a black car struck a retaining ballast near 15th Street and Pennsylvania Avenue Northwest, one block from the White House, CBS News' Bob Orr reported, Oct. 3, 2013.

A police officer and dog check out the car which crashed after a chase that began after the car tried to ram a White House barricade in Washington Oct. 3, 2013.

Police vehicles descend on Capitol Hill at First Street and Constitution Avenue Northeast after gunshots were fired Oct. 3, 2013.

Police gather near the scene on Capitol Hill after gunshots were heard Oct. 3, 2013.

Emergency personal help an injured person after a shooting on Capitol Hill in Washington Oct. 3, 2013.

People run for cover as police converge to the site of a shooting on Capitol Hill Oct. 3, 2013.

A U.S. Capitol Police officer runs while reacting to a call of shots fired on Capitol Hill Oct. 3, 2013.

U.S. Capitol Police officers are seen at the site of a shooting on Capitol Hill Oct. 3, 2013.

A U.S. Capitol Police officer directs people away from a door on Capitol Hill Oct. 3, 2013.

People run for cover as police converge to the site of a shooting on Capitol Hill Oct. 3, 2013.

Police react to a shooting on Capitol Hill Oct. 3, 2013.

People take cover after gunshots were heard on Capitol Hill Oct. 3, 2013.

U.S. Capitol Police officers are seen at the site of a shooting on Capitol Hill Oct. 3, 2013.

U.S. Capitol Police officers and medics take an injured victim away on a stretcher at the site of a shooting on Capitol Hill Oct. 3, 2013.

Tourists flee as U.S. Capitol Police officers are seen outside of the Senate side of the Capitol Oct. 3, 2013.

A U.S. Park Police helicopter is loaded on the Mall in Washington Oct. 3, 2013, with a victim from a shooting. Police say the U.S. Capitol has been put on a security lockdown amid reports of possible shots fired outside the building.

A member of the U.S. Secret Service counter-assault team patrols the grounds of the White House Oct. 3, 2013. The executive mansion was put on lockdown after a report of shots fired near the U.S. Capitol.

A U.S. Secret Service officer uses binoculars to watch the area surrounding 1600 Pennsylvania Ave. from the rooftop of the White House Oct. 3, 2013.

A member of the U.S. Secret Service counter-assault team patrols the grounds of the White House Oct. 3, 2013.

Pedestrians wait by temporary barriers after the area around the White House was put on lockdown Oct. 3, 2013.

Police gather near the scene on Capitol Hill after gunshots were heard Oct. 3, 2013.

Police converge on the scene of a shooting on Constitution Avenue on Capitol Hill near the Supreme Court in Washington Oct. 3, 2013.

Police and federal agents converge on the scene of a shooting on Constitution Avenue on Capitol Hill Oct. 3, 2013.

FBI agents in SWAT gear respond to an incident on Constitution Avenue outside the U.S. Capitol Oct. 3, 2013.

Law enforcement personnel gather around a police vehicle that was involved in an incident with another vehicle on Constitution Avenue outside the U.S. Capitol Oct. 3, 2013.

Law enforcement personnel respond to an incident on Constitution Avenue outside the U.S. Capitol Oct. 3, 2013.

Police respond to a reported shooting on Capitol Hill Oct. 3, 2013.

A U.S. Capitol Police officer runs through the first floor of the Senate on Capitol Hill in Washington Oct. 3,2013, during the lockdown order following a shooting on Constitution Avenue.