U.S. Capitol went into lockdown on Friday afternoon as a person rammed a car into barriers surrounding the complex, injuring two police officers.
The driver, who exited the vehicle wielding a knife after the crash, was shot by Capitol Police and arrested at the north barricade of the Capitol complex.
The suspect was pronounced dead, law enforcement sources told ABC News.
One of the two injured officers was reportedly in critical condition.
Capitol Police sent out an alert notifying those in the complex that they should remain indoors.
There was a heavy police response outside of the Capitol, including a helicopter landing on the premises. The FBI Washington Field Office said it is also responding to the incident and is providing support to the Capitol Police.
“(U.S. Capitol Police) is responding to the North Barricade vehicle access point along Independence Avenue for reports someone rammed a vehicle into two USCP officers”, U.S. Capitol Police (USCP) tweeted at about 1:30 p.m. local time. It later corrected the location to Constitution Avenue.
Barbed wire fencing has surrounded the Capitol complex since rioters supporting former President Donald Trump stormed Capitol on Jan. 6. Several thousands of the National Guard troops still remain in Washington, D.C. over security concerns.