However, on 15 August 1945 Emperor Hirohito declared the surrender of Japanese Empire through radio broadcast. Promptly, Sukarno and Hatta proclaimed Indonesian Republic independence on 17 August 1945. After Indonesia proclaimed its independence, the Kesatuan Melayu Muda (KMM) was disappointed that Malaya was not included as part of Indonesia and they demanded its promise to Sukarno and other Indonesian leaders according to the discussion in Taiping, Perak.