Massachusetts July 7, 2021 6:27 pm Boston Leaders Make New Push for Vaccinations in Mattapan People in Mattapan have received the coronavirus vaccine at a lower rate than those in other neighborhoods. US & World Videos 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 2:37 Quincy detective resigns amid allegations of ‘unwelcome, sexually explicit conduct'