Egyptian President Abdel Fattah El-Sisi discussed Tuesday in Cairo with HRH Prince Mohammed bin Salman bin Abdulaziz Al-Saud, Crown Prince and Prime Minister of Saudi Arabia, developments in the Middle East, especially issues related to the security and stability of the region.The two sides also discussed ways to enhance relations between the two countries in various fields, and a number of issues on the Arab and Islamic arenas.The Egyptian President and the Saudi Crown Prince witnessed the signing of the minutes of the formation of the Saudi-Egyptian Supreme Coordination Council, and the signing of an agreement to encourage and protect mutual investments.Source: Qatar News Agency