Boston January 28, 2021 6:22 pm Boston Police Commissioner William Gross to Retire Shortly after saying he was considering running for mayor of Boston, William Gross is stepping down as the city’s police commissioner. US & World Videos 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students' 10:42 Multiple people arrested as police clear campus encampments 1:40 Heavy police presence near on-campus protests 4:17 Police presence grows at pro-Palestinian encampment at Northeastern 5:39 Billerica police sergeant hit and killed by excavator during construction detail