Coronavirus May 13, 2020 6:06 pm Issues Arise at Cambridge Antibody Testing Site A COVID-19 antibody testing site in Cambridge has been shut down because it wasn’t licensed with the city. US & World Videos 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 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students' 10:42 Multiple people arrested as police clear campus encampments