GCC foreign ministers are to meet here tomorrow to prepare the agenda for the 33rd round of meetings of the GCC Higher Council, which are scheduled to take place in Manama from 24 to 25 Dec. Among issues the foreign ministers will tackle tomorrow will be the joint GCC common market action, the GCC tariffs and customs union, GCC negotiations with world economic blocs, in addition to issues related to military and security concerns. They will review the political situation regionally and internationally with some emphasis on the crisis in Syria, and the GCC initiative on Yemen.