Harvard medical explosion boston.

This photo provided by the Harvard University Police Department shows a person of interest in an explosion at the Harvard Medical School in Boston, on Saturday, Nov. 1, 2025. (Harvard University Police Department via AP)

Explosion at Harvard Medical School appears to have been intentional, authorities say. No one hurt

Authorities say there has been an explosion at Harvard Medical School, but no one was injured. It appears to have been intentional. University police say an officer who responded to a fire alarm early Saturday tried to stop two unidentified people who ran from the Goldenson Building before going to where the alert was triggered. Police say the Boston Fire Department determined that the explosion was intentional, and officers did not find additional devices in a sweep of the building.

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