Muscat: Assigned by His Majesty Sultan Qaboos bin Said, His Highness Sayyid Haitham bin Tariq Al Said left here on Wednesday for Qatar to attend the opening ceremony of the new building of Qatar National Library. Sayyid Haitham is accompanied by Najeeb bin Yahya Al Balushi, Sultanate’s Ambassador to Qatar, Salim bin Mohammed Al Mahrooqi, Undersecretary of the Ministry of Heritage and Culture for Heritage Affairs, Sayyid Faisal bin Hamoud Al Busaidi, Advisor to the Minister of Heritage and Culture, and a number of officials.