Saudi ambassador to Sudan Faisal bin Hamid Mualla, a number of diplomats accredited to Sudan and a host of businessmen today attended the 4th Investment Forum, organized by Sudan's Red Sea State in its capital Portsudan under the theme "Permanent Partnership to Achieve Sustainable Development". Sudan's Assistant President Dr. Ibrahim Ghandour lauded the Saudi Arabian agricultural investment experience in Sudan, calling on Arab brethren to invest in Sudan to achieve common interests. Addressing the gathering on behalf of the diplomatic corps, the Saudi ambassador said the Kingdom's keenness to invest in Sudan comes within the Arab and international common action in this field.