HE the Prime Minister and Minister of Interior Sheikh Khalid bin Khalifa bin Abdulaziz al-Thani left Tunis for Doha on Wednesday evening after a working visit to Tunisia and participating in the meetings of the 40th session of the Council of Arab Interior Ministers. He was seen off at Tunis-Carthage International Airport by Prime Minister Najla Bouden Romdhane, Minister of Finance Sihem Boughdiri Nemsia, and a number of senior officials. Also present at the airport were Qatar ambassador to Tunisia Saad bin Nasser al-Humaidi and the embassy members.