US Capitol: Suspect killed, police officer stabbed and another injured in car crash outside a building

(CNN) – He is suspected to have been killed in Friday’s attack on U.S. Capitol police, several sources told CNN, and an agent was stabbed.

An aide to Congress and a source in the U.S. Capitol Police told CNN that the driver of the vehicle got out of the vehicle, which was brandished with a knife, after colliding with his car at a barrier on Constitution Avenue. Capitol police responded by shooting the suspect.

An email from CNN’s U.S. Capitol Police confirmed the sequence of events. The e-mail said Capitol police officers shot the suspect after he hit a barricade and exited with a knife. Two policemen were injured and one is being taken to hospital.

An official told CNN that at least one officer was stabbed.