Overview
- The blast occurred shortly before 3 a.m. on the fourth floor of the Goldenson Building at 220 Longwood Avenue.
- A Harvard University Police Department officer responding to a fire alarm saw two individuals fleeing and tried to stop them.
- The Boston Fire Department Arson Unit made an initial assessment that the explosion was intentional.
- Boston Police searched the building, found no additional devices, and officials reported no injuries.
- FBI Boston is assisting Harvard police, and anyone with information is urged to call HUPD detectives at 617-495-1796.