UPDATE (Christine): Suspect has been identified as 34-year-old Miriam Carey of Stamford, Conn.

UPDATE (Christine): Police are in Stamford, CT investigating what is believed to be the suspect's house.

Just in: Police have arrived at Stamford, CT house of 34yo woman authorities are trying to confirm is suspect in earlier incident at Capitol — ABC News (@ABC) October 3, 2013

UPDATE (Christine): Police are now confirming that the suspect is deceased. Two officers were hurt, but are expected to be okay.

DC Police confirm that suspect in #Capitol shooting died. 1-year-old child in the car was not hurt. — KMBZ News (@KMBZnews) October 3, 2013

UPDATE (Christine): Reportedly 17 shots were fired at the suspect.

US Capitol Police just announced they fired 17 shots at the unarmed woman with her child in the car. #capitolshooting — Christina Wilkie (@christinawilkie) October 3, 2013

UPDATE: We're still waiting for more details about what happened. But I'm signing off for the night. Christine will take it from here.

UPDATE: Video added of the police chase. Insane:

UPDATE: Unconfirmed by police:

.@FoxNews can confirm a female suspect is deceased --thank you @ChadPergram for your reports from Capitol Hill. — Bret Baier (@BretBaier) October 3, 2013

UPDATE: It's not clear if the suspect was even armed. All the gun shots reportedly came from police:

All shots fired by police, reports @evanperez. #TheLead — The Lead CNN (@TheLeadCNN) October 3, 2013

UPDATE: Capitol Hill police said in a press conference this afternoon that the suspect was indeed a woman. According to authorities she injured a police officer during the incident. It appears she attempted to ram through a barricade somewhere outside the White House. No police officers were shot, although a child was reportedly found in the car and recovered safely. The spokesman also said they had no evidence at this time that what happened was terrorism-related. They said it was an “isolated incident.” There will be another press conference at 4:15 PM. Stay tuned.

UPDATE: A quick summation of what reportedly happened. Not confirmed. We're still waiting for the press conference to start:

Sergeant at Arms tells me, woman drove car, baby inside, woman shot, baby safe, Cap Police officer injured when his car rammed suspect — Luke Russert (@LukeRussert) October 3, 2013

UPDATE: Fox News confirms that the suspect was a woman.

UPDATE: The president has been briefed on the situation.

UPDATE: Confirmed:

BREAKING: US Capitol Police say lockdown on Capitol has been lifted. — The Associated Press (@AP) October 3, 2013

UPDATE: Capitol Hill is no longer on lock down, according to Fox News. Also, there will be a press conference at 3:00 PM. We should have more details soon.

UPDATE: Again, this is *unconfirmed*:

BREAKING: @ABC's @MLevineReports: Source says female suspect reported dead on scene on Capitol Hill — Karen Travers (@karentravers) October 3, 2013

UPDATE: There is reportedly a car chase underway right now:

#Capitol in lockdown after shots fired out front. Car chase up Independence Ave. @chadpergramfnc reporting one scurity officer injured. — Jennifer Griffin (@JenGriffinFNC) October 3, 2013

UPDATE: The suspect(s) tried to get through to the White House? This is unconfirmed:

RT @paulafaris Source tells @ABCWorldNews that an individual tried ramming the White House gate, then fled to Capitol Hill. — Steven Ertelt (@StevenErtelt) October 3, 2013

UPDATE: Reportedly seven or eight shots were fired (via The Hill):

The Capitol was locked down Thursday after reports that shots were fired outside one of the House office buildings. Some lawmakers said seven or eight shots were fired, and that they seemed to be coming from the area of the Rayburn House Office Building. Capitol Police ordered people to remain in the buildings. Pennsylvania Avenue was also cleared because of the shots, and Secret Service agents could be seen putting up barricades across the street from White House. Rep. Gerry Connolly (D-Va.) said he and other lawmakers standing on a balcony outside the House chamber heard seven or eight shots.

UPDATE: Policemen are on high alert with their guns drawn:

UPDATE: This is what the scene looks like on Capitol Hill right now:

CNN showing the scene at the Capitol after reported shooting (via @intelligencer) pic.twitter.com/17qCpTbprf — BuzzFeed News (@BuzzFeedNews) October 3, 2013

UPDATE: More info:

Cops were chasing a black car near the Capitol building. They cornered the car and that's when shots rang out. — Chris Moody (@Chris_Moody) October 3, 2013

UPDATE: One confirmed injury thus far:

BREAKING: US Capitol Police: Capitol in lockdown; reports of gunshots and injured Capitol police officer. — The Associated Press (@AP) October 3, 2013

UPDATE: AP confirms:

BREAKING: US Capitol in lockdown. — The Associated Press (@AP) October 3, 2013

This is breaking news:

Shots fired at the Capitol — Robert Costa (@robertcostaNRO) October 3, 2013

Cap police officer said shots outside, thus lockdown inside the Capitol. — Benjy Sarlin (@BenjySarlin) October 3, 2013

Stay tuned.