March 19, 2019 1:30 pm Doctor Discusses Gen. Mike Heston's Exposure to Burn Pits Dr. Tom Abrams, an oncologist at Dana-Farber Cancer Institute in Boston, says he had never heard of burn pits until he treated Brigadier General Mike Heston. 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