A lawyer has gone up to the Court of Appeal for a determination on whether the Yang di-Pertuan Agong has the power to refuse a request from then-prime minister Muhyiddin Yassin to issue an emergency proclamation four years ago.

Syed Iskandar Syed Jaafar is appealing against the Kuala Lumpur High Court ruling on Feb 15 that dismissed his legal action on grounds the judiciary has no power to look into issues linked to His Majesty's constitutional prerogative...