ALULA — Saudi Arabia's policy under the leadership of Custodian of the Two Holy Mosques King Salman has always been to achieve the "supreme interests" of the Gulf Cooperation Council (GCC) member states, Crown Prince Muhammad Bin Salman said on Monday. The Crown Prince also said that the GCC summit to be held on Tuesday in AlUla will close the ranks and unify the stance and enhance the march of prosperity and one of solidarity in the face of challenges that the Middle East region is facing. The Crown Prince also prayed for the security, stability, cohesion and solidarity among GCC member states and their people.