CNN CNN Newsroom December 16, 2013 15:43:00
>> this additional information coming from my colleague, deborah feyerick, learning that, as we said earlier, no devices have yet been found, no explosives have been recovered at this time. right now this remains as a threat only and the police response is a guarded one. there is a strong police presence on campus. but given the fact that they are looking very carefully to see whether this is legitimate or not, it's the kind of presence that would be required at this time to figure out whether this is a hoax or whether this is a real thing. the agencies include, of course, the harvard universi...