Nigeria, Jan. 31 -- The Security Division of Ahmadu Bello University (ABU), Zaria, Kaduna State, on Saturday prevented journalists from covering the institution's 45th convocation ceremony. Correspondents from the Federal Radio Corporation of Nigeria (FRCN), Daily Trust, News Agency of Nigeria (NAN), Kaduna State Media Corporation (KSMC), Nagarta Radio, NTA Zaria, and other media organisations were denied access to Mamman Kontagora Square, the venue of the event. A university security officer, identified as C.K., said the action was based on a directive from the Chief Security Officer, Ashiru Zango. He explained that only journalists who had obtained clearance from the Vice-Chancellor were allowed into the venue, despite the affected rep...