AlHijjah 26, 1433, Nov 11, 2012, SPA -- President Mahmoud Abbas, Chairman of the Executive Committee of the Palestine Liberation Organization and President of the Palestinian National Authority, will arrive in Riyadh tomorrow on a visit to the Kingdom of Saudi Arabia during which he will meet the Custodian of the Two Holy Mosques, King Abdullah bin Abdulaziz Al Saud. During the meeting, they will discuss the bilateral relations between the two countries and ways of enhancing them in various fields in addition to regional and international issues of common concern.