In a statement emailed to Insider, a spokesperson said: "After this horrific event, our thoughts are with the Capitol Police and their loved ones".
Capitol Police shot dead the driver after he jumped out of the auto and lunged at them with a knife, Acting Chief Yogananda Pittman told reporters.
A motorist rammed a auto into United States Capitol police officers and brandished a knife, killing one and injuring another, and forcing the Capitol complex to lock down in an attack that police said did not appear to be terrorism-related.
Both Capitol Police officers were hospitalised and Acting Chief Yogananda Pittman told reporters Friday afternoon that one of the officers 'succumbed to his injuries'.
The suspect, named by multiple media organisations as Noah Green, rammed a auto into United States Capitol police officers, then hit a barricade and got out of the vehicle, brandishing a knife, before being shot and killed by police.
"Today, once again, these heroes risked their lives to protect our Capitol and our country, with the same extraordinary selflessness and spirit of service seen on January 6", House Speaker Nancy Pelosi said in a statement. But his motive for the attack remains unknown.
Friday's attack, however, reignited concerns that the Capitol building is not secure enough.
In Instagram stories, some posted just hours before the attack, Green blamed the U.S. government for his issues and wrote he believed federal law enforcement agencies were trying to conduct mind-control experiments on him, according to CNN.
During the network's 2 p.m. ET program "Katy Tur Reports", NBC News justice correspondent Pete Williams provided reporting on the then-unidentified suspect, who had just died, Fox News reported.
The US Capitol went into lockdown on Friday (local time) after the incident at the North Barricade vehicle access point along Constitution Avenue outside the iconic building.
In January a mob of Trump supporters stormed the Capitol in protest at the result of the 2020 presidential election. Fencing that prevented vehicular traffic near that area was recently removed. The order mirrors a proclamation from President Joe Biden.
The area was locked down for hours Friday but has since reopened, and National Guard troops stood outside the building on Saturday. It was updated on April 3, 2021 to correct the reference to Louis Farrakhan.
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