Tun Dr Mahathir Mohamad arrived at Istana Negara shortly before 11am on Thursday (Feb 27).<br /><br />The Prime Minister's Office confirmed that the interim Prime Minister had been summoned to meet Yang di-Pertuan Agong Al-Sultan Abdullah Ri'ayatuddin Al-Mustafa Billah Shah<br /><br />It was also reported that Chief Justice Tengku Maimun Tuan Mat has also been called to the palace.