U.S. Capitol lockdown lifted after one officer, suspect killed in vehicle attack

U.S. National Guard members stand guard in front of the U.S. Capitol building in Washington, D.C., the United States, on April 2, 2021. One of the two police officers hit by a car ramming into barriers surrounding the U.S. Capitol complex on Friday afternoon was pronounced dead, Acting Chief of Police Yogananda Pittman said. (Xinhua/Liu Jie)