Jan. 6 December 20, 2022 4:02 pm Mass. Doctor Arrested Over Jan. 6 Riot A Massachusetts doctor was arrested for allegedly punching a police officer at the Jan. 6 riot at the U.S. Capitol. US & World Videos 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students' 5:39 Billerica police sergeant hit and killed by excavator during construction detail 2:30 Arrests made in string of home break-ins targeting Asian-Americans