Qa'dah 13, 1431 / Oct. 21, 2010, SPA -- President Mahmoud Abbas of Palestine, the Chairman of the Palestine Liberation Organization, will arrive here tomorrow in a visit to the Kingdom of Saudi Arabia for the talks with Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud. They will discuss regional and international issues of common interest and bilateral relations as well as ways of enhancing such relations in different fields.