Riyadh, Sha'ban 16, 1437, May 23, 2016, SPA -- Undersecretaries of GCC interior ministries arrived in Riyadh today for an extraordinary meeting scheduled for the headquarters of the GCC in the Saudi capital, Riyadh, on Tuesday. At King Khalid international airport, they were received by Brig. Gen. Hazz'a Al-Hajri, the GCC Secretary for Security Affairs, and a number of officials. Among other things, they will discuss the vision of the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud, which was endorsed by the GCC leaders at Riyadh summit 2015. --SPA 20:40 LOCAL TIME 17:40 GMT www.spa.gov.sa/w