April 13, 2018 6:21 am Police Honor K9 Officer Sean Gannon Officer Sean Gannon, 32, a member of the K-9 unit at the Yarmouth Police Department, was shot and killed while serving a warrant at a home in the Marstons Mills area of Barnstable. US & World Videos 2:50 Community mourns Billerica police sergeant killed on duty 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
