Live updates from the shooting outside the US Capitol building.
5:21 PM: ABC News confirms the woman killed in the Capitol shooting is 34-years-old and from Stamford, CT.
5:01 PM: CNN: The FBI is executing a search warrant in Conn. at the home of the woman killed in the Capitol shooting.
4:39 PM: Per AP - Senate Sergeant at Arms Terrance Gainer said a child was taken from the car to a hospital but said he knew of no harm to the youngster. The child appeared to be about 2 to 3 years old.
4:17 PM: One officer was hurt during the incident in a vehicle collision.
3:48 PM: U.S. Capitol Police Chief Kim Dine says the incident appears to be isolated and has no connection to terrorism.
3:38 PM: MPD says no officer was shot during the incident.
3:25 PM: ABC News reports the child in the vehicle with the woman is unharmed.
3:22 PM: Constitution Avenue from Louisiana Avenue NW to 3rd Street NE remains closed.
3:12 PM: The lockdown at the Capitol has been lifted.
3:06 PM: Police tell ABC7's Jennifer Donelan that the incident reportedly started when an unidentified woman tried to drive through a barricade at the White House. She had a baby in the back seat of her vehicle. The woman fled the area and ended up at the Capitol, where she tried to drive through another barricade.
Authorities opened fire on the vehicle, killing the woman, authorities say.
2:58 PM: ABC News is reporting a female suspect is dead following the shooting.
#BREAKING: Source says female suspect reported dead on scene at U.S. Capitol.ABC News (@ABC) October 3, 2013
2:55 PM: Sources say a man tried to drive through a barricade at the U.S. Capitol Thursday afternoon. Authorities opened fire on the vehicle. A suspect is currently in custody.
2:47 PM: Police close 2nd Street and Constitution Avenue NE and 2nd Street and Maryland Avenue.
2:41 PM: Per AP: U.S. Capitol Police advised everyone to "close, lock and stay away from external doors and windows.The notice said gunshots have been reported on Capitol Hill.
2:36 PM: U.S. Sen. Harry Reid tells CNN that one person was injured in the shooting.
2:20 PM: Luke Russert tweets the shots have been fired in front of the Capitol.
Gun shots in front of Capitol. Cops scrambling. Not a jokeLuke Russert (@LukeRussert) October 3, 2013