Boston: Students and faculties of the globally famous Harvard University were in panic due to a bomb threat. The four buildings in the University campus were evacuated as a means to face this grim situation. The police conducted thorough examinations in these four buildings to trace out the bomb and related materials, but could not. Because of the bomb threat, the University authorities could not conduct the examinations which were already proposed. Nowadays, such bomb threat messages are viewed with great concern in America.