President of State of Palestine Mahmoud Abbas has expressed his thanks and appreciation to the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud for the success achieved at the summits held in the Kingdom of Saudi Arabia and the arrangements made during its distinguished preparations. He pointed out that the Arab-Islamic-American Summit embodied Arab and Islamic positions to combat terrorism in the world in general, commanding the King's emphasis on the need to solve the Palestinian issue in particular.