One of two unidentified individuals captured on CCTV and wanted by Harvard police for questioning in connection with an apparent 'intentional' explosion on Harvard University campus.
Another image of one of two unidentified individuals captured on CCTV and wanted by Harvard police for questioning in connection with an apparent 'intentional' explosion on Harvard University campus.
The second unidentified individual captured on CCTV and wanted by Harvard police for questioning in connection with an apparent 'intentional' explosion on Harvard University campus.

The Federal Bureau of Investigation and Boston police and fire departments are investigating an apparent "intentional" explosion set off early Nov. 1 at Harvard University.

The explosion, which happened at about 2:48 a.m., occurred on the fourth floor of the Goldenson Building on the Harvard Medical School campus, the Harvard University Police Department said in a news release. The Boston Fire Department Arson Unit said the explosion "appeared to be intentional," according to the release.

The Boston Police Department conducted a sweep of the building to check for any additional devices, but found none, police said. The FBI "is on the scene and we're assisting our partners at the Harvard University Police Department with what is a very active investigation," Boston FBI spokesperson Kristen Setera told USA TODAY.

No injuries were reported in connection to the incident, police said.

A Harvard University Police Department officer who went to the building to check on a fire alarm activation saw two unidentified individuals fleeing the building, the department said in a news release. "The officer attempted to stop the individuals before proceeding to the floor where the alarm had been triggered," police said.

Harvard, Boston police seek individuals

Police have released images of two individuals captured on closed-circuit TV cameras around the time of the incident.

Police are asking anyone who can identify them or has any information about the incident to contact the Harvard University Police Department’s Detective Bureau at 617-495-1796.

Mike Snider is a national trending news reporter for USA TODAY. You can follow him on Threads, Bluesky, X and email him at mikegsnider & @mikegsnider.bsky.social & @mikesnider & msnider@usatoday.com

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This article originally appeared on USA TODAY: FBI, Boston police and fire investigating 'intentional' explosion on Harvard campus

Reporting by Mike Snider, USA TODAY / USA TODAY

USA TODAY Network via Reuters Connect