HE the Prime Minister and Minister of Interior Sheikh Abdullah bin Nasser bin Khalifa al-Thani arrived in Riyadh yesterday to participate in the joint meeting of the GCC interior, foreign and defence ministers meeting. The Prime Minister and his accompanying delegation were welcomed upon arrival at King Salman Air Base by Saudi Crown Prince Mohamed bin Naif bin Abdulaziz, Deputy Premier and Minister of Interior; Deputy Crown Prince Mohamed bin Salman bin Abdulaziz, Second Deputy Prime Minister and Minister of Defence, Foreign Minister Adel al-Jubeir, GCC Secretary General Abdullatif bin Rashid al-Zayani, Qatar’s ambassador to Saudi Arabia Sheikh Abdullah bin Thamer al-Thani and members of the embassy.