May 4, 2017 11:40 pm Woman Arrested in Hit-and-Run Crash That Killed 4-Year-Old A Massachusetts woman has been arrested in connection with the hit-and-run crash that killed a 4-year-old boy on Easter Sunday last month. US & World Videos 2:39 Community mourns police sergeant killed on duty 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