Four Harvard University buildings surrounding Harvard Yard were evacuated Monday morning after the university received unconfirmed reports that explosives may have been placed in four buildings on the campus.
UPDATE 2:45 p.m.: All buildings have been cleared.
Update: Science Center cleared. Students, faculty, and staff should enter through Science Plaza doors. All four sites now open.
Update 12:56 p.m.
Thayer and Emerson Hall are cleared and students may return. Sever and Science Center are still closed. Updates: http://t.co/ElUY5yw6qN
[UPDATE 11:50 a.m.] Email from the university
Harvard Alert-Report of bombs on campus remains unconfirmed. Federal and state officials have joined the probe. Updates to be posted at harvard.edu/emergency
[UPDATE 10:50 a.m.] In an email to students and employees at 10:43 a.m., the university said access to Harvard Yard has been restricted to Yard residents with Harvard IDs
"As of the writing of this message the report remains unconfirmed and the HUPD has no reason to believe there is a threat to any other site on campus."
The university ordered evacuation of the Science Center, Thayer, Sever, and Emerson in an email to students and employees at 9:13 a.m.
Harvard University police and Cambridge police are on the scene investigating.
Alert: Unconfirmed reports of explosives at four sites on campus: Science Center, Thayer, Sever, and Emerson. Evacuate those buildings now.
Alert: Reports of bombs placed on campus are unconfirmed. There have been NO reports of explosions. View for updates: http://t.co/gAWVUFoPtp
The Harvard Crimson reported that final exams have been cancelled for the morning.
Dean of Undergrad. Ed. Jay Harris to Annenberg: Final exams for this morning have been canceled.
Students have filled Annenberg Hall after being evacuated this morning due to bomb threats. More @thecrimson pic.twitter.com/sC1WiU3hnJ
Reporter Anne Mostue was on the scene with Harvard police at their command center in Memorial Hall. Listen to her report below:
Reporter Ibby Caputo was on Quincy Street, adjacent to Harvard Yard. Listen to her update below:
WGBH News will continue to update this story as it develops.
