First Vice-President Mohammad Reza Rahimi cabled a message on Sunday to Saudi Interior Minister Prince Nayef bin Abd al-Aziz to express condolence over death of Saudi Crown Prince Sultan bin Abd al-Aziz as-Saud.Rahimi expressed regret over demise of Saudi crown prince who had also undertaken the portfolios of defense minister and head of aviation as well as general inspector of Saudi kingdom. He also extended condolence to the bereaved family of the late crown prince, the Saudi government and Saudi people on the sad event.