Former premier Dr Mahathir Mohamad has expressed caution in response to Johor ruler, Sultan Ibrahim Sultan Iskandar opining that MACC and Petronas should report directly to the Yang di-Pertuan Agong, and not Parliament.

He said that while the Federal Constitution does not provide for this, if what Sultan Ibrahim wants comes true, it will raise serious questions about the role of the Malay rulers as constitutional monarchs...