Hijjah 05, 1431, Nov 11, 2010, SPA -- Prince Saud Alfaisal, the foreign minister and head of the Saudi delegation to the G20 Summit, said that the Kingdom of Saudi Arabia plays a great role in the world economy. In a statement to Saudi Press Agency before attending the opening of the G20 Summit currently held here, he said that this role made the kingdom an effective member of the G20 Summit Group. He added that the kingdom is continuing to play this role and this is what is required of all G20 members.