Boston July 7, 2017 8:35 pm Preparing for First Boston Pizza Festival Attention pizza lovers! Boston is celebrating all things pizza this weekend. US & World Videos 2:09 President of MIT calls for shutting down pro-Palestinian encampments 1:00 Three dead in apparent murder-suicide in Lowell 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 2:50 Community mourns Billerica police sergeant killed on duty