RIYADH: On behalf of His Majesty Sultan Haitham bin Tarik, HH Sayyid Fahd bin Mahmoud al Said, Deputy Prime Minister for the Council of Ministers, arrived in Riyadh, Kingdom of Saudi Arabia (KSA), on Tuesday to lead the Sultanate of Oman's delegation in the 42nd Summit of GCC Leaders.HRH Prince Mohammad bin Salman al Saud, Crown Prince, Deputy Prime Minister...