An Umno supreme council member has strongly urged for Dr Mahathir Mohamad to be investigated over his decision on Pulau Batu Puteh.

Mohd Puad Zarkashi said the former premier should be charged in court to uncover mysteries surrounding Mahathir’s move to withdraw Malaysia's review of the International Court of Justice (ICJ) decision to award sovereignty over Pulau Batu Puteh to Singapore.

This came after veteran newsperson A Kadir Jasin suggested that Malaysia seek compensation for