 Complete the following phrase:  Though Yahya Khan promised to resume talks on 25 March, everybody was apprehensive that an armed conflict was imminent. Sheikh Mujibur Rahman kept ordering his workers to escape to safety. Despite Tajuddins and others repeated insistence, Mujib refused to escape until 25 March, fearing it would be used as a pretext to massacre innocent Pakistanis. Tajuddin also remained in Dhaka until 25 March, the night Yahya secretly left Dhaka and the Pakistan Army 