Officer killed, another injured in US Capitol car-ramming attack

US Police officer killed after car rams into barricade at Capitol building suspect shot dead

Following the attack, the Capitol complex went under a lockdown, less than three months after a mob attacked the building and clashed with the police. The National Guard was deployed to the Capitol shortly after the incident to assist Capitol Police officers who were lining the perimeter of the building.

A police officer was killed and another injured on Friday after a auto crashed into a barricade outside the United States Capitol complex in Washington DC, AFP reported.

Speaker Nancy Pelosi said in a letter to colleagues that she was ordering flags at the Capitol to be lowered to half-staff as well.

President Joe Biden, who was with first lady Jill Biden at Camp David for the Easter holiday, offered his "heartfelt condolences" to the family of William Evans, the veteran policeman killed in the attack. "Please keep Officer Evans and his family in your thoughts and prayers".

Biden, who is spending the weekend at Camp David, also ordered the United States flag to be flown at half-staff at the White House and all federal buildings Friday until sunset on April 6 in honor of Evans. The White House said that the president had been receiving updates about the incident as investigation progresses. The National Guard was seen responding to Friday's attack, and later confirmed it had been deployed to the Capitol.

Five people died in the January 6 riot, including Capitol Police officer Brian Sicknick, who was among a badly outnumbered force trying to fight off the intruders. The riot resulted in the deaths of five people, including Capitol Police Officer Brian Sicknick.

The attack comes as the Washington region remains on edge almost three months after a mob of armed insurrectionists stormed the Capitol as Congress was voting to certify Joe Biden's presidential win.

Investigators are increasingly focused on Green's mental health as they work to identify any motive for the attack, said the official, who was not authorized to speak publicly about an ongoing investigation and spoke to The AP on condition of anonymity.

The barricade where the incident occurred is a checkpoint on the Senate side of the Capitol.

Senator Roy Blunt, Senator Chris Van Hollen and Delegate Eleanor Holmes Norton introduced bipartisan, bicameral legislation in March to prevent federal funding from being used for permanent fencing around the Capitol.

- Staff and wire reports.