Harvard Medical School suffers apparent intentional explosion, investigation underway

TL;DR
An explosion at Harvard Medical School's Goldenson Building in Boston was determined to be an intentional act, with no injuries reported. Authorities, including local, state, and federal agencies, are investigating the incident, and no additional devices were found. The FBI is assisting in the investigation.
- Explosion inside Harvard Medical School building was likely intentional, police say CBS News
- Explosion at Harvard Medical School building appears intentional, officials say The Boston Globe
- Explosion at Harvard Medical School building appears intentional, police say NBC Boston
- 'Intentional' explosion at Harvard medical campus under investigation NBC News
- Harvard Medical School rocked by intentional explosion, two spotted fleeing detonation New York Post
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