At least four people were hurt in a blast at University of Karachi (KU), report said on Tuesday. The blast occurred at a prayer place near cafeteria. The injured were shifted to nearby hospital. Rangers and police have cordoned off the varsity after the incident. CCPO Karachi Fayyaz Laghari stated that it was a cracker attack in which three people were injured. Meanwhile, Controller Examination has postponed all the papers of today (Dec 28).