Coronavirus April 24, 2020 5:41 pm MGH Doctor's Video Diary: ‘That's What We Do: Difficult Cases' Massachusetts General Hospital emergency medicine doctor Christopher Bennett discusses the difficult days dealing with coronavirus patients. 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