Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud has sent invitation messages to Kuwait's Emir Sheikh Sabah Al-Ahmad Al-Jaber Al-Sabah, Sudan's President Omar Hassan Al-Bashir, Yemen's President Abed Rabbo Mansour Hadi and President of the United Comoros Republic Ikililou Dhoinine to attend the Fourth Summit of Arab-South American Countries to be held in Riyadh in November. The invitation message was delivered to Kuwait's Emir by Saudi Ambassador to Kuwait Dr. Abdulaziz bin Ibrahim Al-Fayez during a meeting with him yesterday. The invitation message was delivered to Sudan's President by Saudi Ambassador to Sudan Faisal bin Hamid Mualla during a meeting with him yesterday. The invitation message was delivered to Yemen's President by Saudi Ambassador to Yemen Mohammed Saeed Al Jaber during a meeting with him yesterday.