On 5 December 1969 Sheikh Mujibur Rahman stated after independence East Pakistan will be renamed Bangladesh. The situation escalated after the 1970 elections and the 7 March 1971 speech of Sheikh Mujibur Rahman. After a brutal Pakistani army crackdown on the local people of Bangladesh on 25 March 1971 carried out under orders of Pakistan President Yahya Khan, Sheikh Mujibur Rahman, the Chief of Awami League and the leader of the liberation movement declared independence on 26 March 1971, which was broadcast from Chittagong radio station on 27 March, first by the then Awami League Secretary of Chittagong Mr Abdul Hannan and other Awami League leaders and then by Major Ziaur Rahman on behalf of Sheikh Mujibur Rahman in the evening of 27 March, thus starting the Bangladesh Liberation War. Captain Rafiq BU Commanding Officer of Chittagong East Pakistan Rifles revolted first and subsequently other commanding officers at different places: Major Shafiullah, Major Khaled Musharraf and Major Ziaur Rahman revolted with their forces. Sheikh Mujibur Rahman was arrested by the Pakistan Army in early hours of 26 March, immediately after he declared independence and was taken to West Pakistan, where he remained in jail until early January 1972.