Opposition leader Anwar Ibrahim has filed a suit to challenge the validity of the prime minister's advice to suspend Parliament during an emergency, which was made into law by the Yang di-Pertuan Agong.

According to Anwar's lawyer Ramkarpal Singh, his client sought a court declaration that the advice given to the Agong was against the Federal Constitution.

"It needs to be stressed that what is being challenged by the applicant isn't the proclamation of emergency, but the decision of the prime minister (through cabinet) to advise the Yang di-Pertuan Agong...