Saudi newspapers highlighted in their editorials today a number of topics and issues on local, regional and international arenas. The following are the main headlines: - Custodian of the Two Holy Mosques Congratulates Greece's President on Independence Day. - HRH Crown Prince Congratulates Greece's President on Independence Day. - Custodian of the Two Holy Mosques consoles Egyptian President on victims of the bombing in Alexandria. - HRH the Crown Prince consoles Egyptian President on victims of the bombing in Alexandria. - HRH Crown Prince: The Saudi-US relationship is strong with close cooperation in various fields. - HRH Crown Prince visits IBM Watson Health Center and biomechatronics lab. - HRH Crown Prince reviews with former US officials the development of the Saudi-US Relationship. - HRH Crown Prince visit to the United States marks the coronation of Saudi Arabia's efforts to face challenges and threats. - President of the Republic of CongoBrazzaville arrives in Riyadh.