Former prime minister Dr Mahathir Mohamad and four other Pejuang members succeeded in being added as parties in legal action over the Yang di-Pertuan Agong's earlier decision to refuse the emergency proclamation last year.

Several lawyers, as well as non-governmental organisation (NGO) Centre for a Better Tomorrow (Cenbet), were also allowed by the Kuala Lumpur High Court to intervene in the legal action by lawyer Syed Iskandar Syed Jaafar...