UPDATE: Cambridge Police Give All Clear In Bomb Scare 

(Cambridge, MA)  --  The all-clear is being given at Harvard University following a bomb scare.  The campus was evacuated today on reports of possible explosive devices.  Nothing was found.  

(Cambridge, MA)  --  Four buildings on the campus of Harvard University are evacuated following a bomb threat.  The Ivy League School near Boston has evacuated the Science Center, Thayer, Sever and Emerson Halls.  Harvard student Matt Wardrop says there were between 800-900 students in the Science Center at 9 a.m. to take exams. 

The buildings were emptied out after unconfirmed reports came in that explosives had been planted on campus.  Harvard is home to about 21,000 students, and many of them are taking final exams beginning today.  There have been no reports of explosions.  Harvard and Cambridge police are on the scene.