 Complete the following phrase:  The Bengali population was angered when Prime Minister-elect Sheikh Mujibur Rahman was prevented from taking the office. Civil disobedience erupted across East Pakistan, with calls for independence. Mujib addressed a pro-independence rally of nearly 2 million people in Dacca as Dhaka used to be spelled in English on 7 March 1971, where he said, This time the struggle is for our freedom. This time the struggle is for our independence. The flag of Bangladesh was raised for the first time on 23 March, Pakistans Republic Day. Later, on 25 March late evening, the Pakistani military junta led by Yahya Khan launched a sustained military assault on East Pakistan under the code name of Operation Searchlight. The Pakistan Army arrested Sheikh Mujibur Rahman and flew him away to Karachi. However, before his arrest Mujib proclaimed the Independence of Bangladesh at midnight on 26 March which led the Bangladesh Liberation War to break out within hours. The Pakistan Army continued to massacre Bengali students, 