His Majesty Sultan Haitham bin Tariq Sultan Oman sent a written message to President “Romen Radiv”, President of Bulgaria, related to bilateral relations between the two countries and ways to enhance them. He delivered the letter, according to the Omani News Agency, Youssef bin Ahmed Al -Jabri, Ambassador of the Sultanate of Oman, who is not residing in Bulgaria, during the Bulgarian President’s reception at the Presidential Palace in the capital, Sofia.