Beating drums and singing revolutionary verses, chanting slogans and raising fists, hundreds of students marched on streets of the Saddar area in Karachi on Friday demanding abolition of the prevalent class-based educational system in the country, restoration of the student unions and decrease in educational fees.In the words of a participant, Muzammil Shaikh, student of the Institute of Business Administration, “It is amazing. After 35 years, finally all the students are gathering, coming...