Islamabad : The International Islamic University remained closed on Friday following a violent clash between two student groups on main campus with the administration promising a combing operation in hostels to act against illegal and irrelevant people.The Thursday night armed clash over the holding of a book fair by one group had left one student dead and 13 injured.A high-level IIU meeting was held on Faisal Masjid campus on Friday to review the situation post clash and devise the future...