Prime Minister Tan Sri Muhyiddin Yassin left the Istana Negara at 11.50am on Wednesday (Aug 4) after having an audience with the Yang di-Pertuan Agong Al-Sultan Abdullah Ri’ayatuddin Al-Mustafa Billah Shah.br br He is expected to make a special announcement at 12.30pm with broadcasts on RTM, TV3 and Astro Awani.