News Wrap: Officer, suspect killed in attack at U.S. Capitol

In our news wrap Friday, an attack at the U.S. Capitol left one police officer dead and another wounded. Authorities said a man drove into the officers at a barricade, then stabbed one with a knife before police killed him. Also, the CDC said it's safer for Americans fully vaccinated for COVID-19 to travel, and at least 51 people in Taiwan were killed when a train smashed into a truck.