Mahmoud Abbas, Chairman of the Executive Committee of the Palestine Liberation Organization and President of the Palestinian National Authority, is scheduled to arrive in Riyadh on Saturday on a state visit to the Kingdom for talks with the Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud. During the visit, bilateral relations between the two countries and ways of enhancing them in different fields in addition to regional and international issues of mutual concern will be discussed.