A professor at a Lahore university, where 2008 Mumbai attack mastermind and JuD chief Hafiz Saeed taught Islamic studies, has been arrested along with his niece for their alleged links with the Islamic State terror group. <br/><br/>According to Counter Terrorism Department (CTD) of Police, the University of Engineering and Technology professor and his niece were arrested with two others during a raid in Karachi last night. <br/><br/>They had been planning to attack a public gathering, The CTD has recovered maps of sensitive installations and educational institutions from the suspects. <br/><br/>The official said the professor was in touch with IS leaders in Syria through emails.<br/>