Police have confirmed that a woman at the centre of a police chase in the Capitol Hill area of Washington DC has been shot dead.
It was also confirmed that two police officers were injured in the incident.
The chase and wreck that preceded the shooting were neither an act of terrorism nor an accident, police said.
A one year old girl was taken from the vehicle the woman shot dead was driving.
The incident began at 14:12 local time (18:12 GMT) when a suspect in a black Infiniti sedan attempted to bypass fencing at the outer perimeter of the White House, police said.
The suspect fled the scene and led officers on a high-speed chase through Washington DC toward the US Capitol.
The driver, later identified as a woman by authorities, later attempted to bypass barriers along the western front lawn of the Capitol, where the Senate and House of Representatives sit.
The driver then sped away as officers appeared to open fire and Police gave chase.
During the chase, a police car struck a barrier and the suspect hit a US Secret Service vehicle.
At that point, the suspect’s vehicle crashed near the Capitol.
Metropolitan Police Chief Cathy Lanier said both Capitol Police and Secret Service officers fired on the vehicle in two different locations during the incident.
“The suspect was struck by gunfire and… has been pronounced” dead, she said.
A one-year-old child was found in the vehicle after it crashed and taken to a local hospital, and is now in protective custody, police said.
Authorities declined to comment on the suspect. But multiple officials said they believed the incident was not related to terrorism.
Officials have not said whether the driver of the vehicle was armed.
“I’m pretty confident this is not an accident,” Ms Lanier said, adding that the suspect attempted to bypass multiple barriers around heavily protected buildings.
A Secret Service officer and Capitol Police officer were injured during the pursuit.
Lawmakers, staffers and journalists reported hearing shots from inside the US Capitol building.
The surrounding buildings were briefly locked down and lawmakers and staffers were instructed to shelter in place.
“We heard pops, three, four, five pops,” said Senator Sherrod Brown, who said he was outside the building and ordered to duck behind a car.