The organiser of the debate between former prime minister Dr Mahathir Mohamad and Umno minister Nazri Abdul Aziz has yet to notify police about the discourse, said inspector-general of police Khalid Abu Bakar.

"Of course, (they have to send the notice to police)," he told a press conference after attending the 210th Police Day event at Pulapol, Kuala Lumpur.

He was asked if the police would allow the debate, which was postponed to April 7, and if the debate posted a security concern...