Four Harvard University buildings were evacuated and closed for hours Monday because of a bomb threat, prompting some classes at the Boston-area Ivy League school to reschedule or cancel final exams.
“This campus was covered by canine units, the bomb squad, local state and federal authorities,” reports CNN’s Alexandra Field.
After evacuating three classroom buildings and a dormitory Monday morning, authorities found no suspicious devices and reopened all of them by 3 p.m., Harvard said on its website.
Final exams that were supposed to take place in the affected buildings Monday morning were canceled or postponed because of the report, student newspaper The Harvard Crimson reported, citing university officials.
Two law enforcement sources told CNN late Monday morning that the threat appeared to be a hoax.
The school said its police department received an e-mail, sent around 8:40 a.m., claiming that explosives may have been hidden in the three academic buildings - the Harvard Science Center, Sever Hall and Emerson Hall - and a freshman dormitory, Thayer Hall.
Harvard ordered the evacuations around 9 a.m., alerting students and staff by e-mail, voicemail and text messages.
"Safeguarding our community in this instance unfortunately required the disruption of exams and the evacuation of one of our freshman dormitories," Harvard Executive Vice President Katie Lapp said on the school's website. " (Harvard police), in close cooperation with local, state and federal agencies, is continuing to investigate this incident to determine who may be responsible."
All but the science center were declared safe by 2 p.m., according to the school.
“Today, Harvard officials are trying to reassure students of their safety," Field says.
"They put out a statement letting the community know there are no continued or specific threats to the campus."