July 7, 2016 5:55 pm Maine Ambulance Service Invests in Bullet Proof Vests A rise in violent assaults against EMS professionals nationwide has one ambulance service in Maine investing in protective gear. US & World Videos 1:50 Boston student protesters face new warnings 2:30 Police shoot and kill armed man in Raynham, authorities say 2:02 Protesters at local campuses look on as dozens detained at Columbia 5:10 Mental health still suffers stigma in the medical and research fields 2:47 Students face disciplinary action for encampments