Boston January 11, 2021 6:48 pm Boston Police Commissioner Considering Mayoral Run With Boston Mayor Marty Walsh leaving for a post in President-elect Joe Biden’s cabinet, Boston Police Commissioner William Gross is considering a bid for mayor. US & World Videos 1:56 20-year-old killed, teen critically hurt in Northbridge double stabbing 1:50 Man found shot to death in Taunton shed 1:43 Authorities respond to incident in Northbridge 0:49 Bowling alley reopens 6 months after mass shootings in Lewiston, Maine 2:27 Mother speaks out after school shooting threat in Milton