Following the demise of Crown Prince Naif bin Abdulaziz Al Saud, the Deputy Premier and Minister of Interior, the Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud has appointed Prince Ahmed bin Abdulaziz, the current Deputy Minister of Interior, as Minister of Interior, a royal order said today. The royal order also said the concerned authorities were instructed to act accordingly with immediate effect.