Officials pose for a family photo during 16th Advisory Board meeting of the UN Counter Terrorism Centre, in Riyadh, Saudi Arabia April 17, 2018. REUTERS/Faisal Al Nasser - RC194C33E760
U.N. Secretary-General Antonio Guterres talks with Saudi's Foreign Minister Adel Al-Jubeir during 16th Advisory Board meeting of the UN Counter Terrorism Centre, in Riyadh, Saudi Arabia April 17, 2018. REUTERS/Faisal Al Nasser - RC1E350E4A10
U.N. Secretary-General Antonio Guterres attends the 16th Advisory Board meeting of the UN Counter Terrorism Centre, in Riyadh, Saudi Arabia April 17, 2018. REUTERS/Faisal Al Nasser - RC1E2051EDB0
U.N. Secretary-General Antonio Guterres (2nd L) speaks, during 16th Advisory Board meeting of the UN Counter Terrorism Centre, in Riyadh, Saudi Arabia April 17, 2018. REUTERS/Faisal Al Nasser - RC12F1792140
U.N. Secretary-General Antonio Guterres attends the 16th Advisory Board meeting of the UN Counter Terrorism Centre, in Riyadh, Saudi Arabia April 17, 2018. REUTERS/Faisal Al Nasser - RC17876904B0
Officials attend the 16th Advisory Board meeting of the UN Counter Terrorism Centre, in Riyadh, Saudi Arabia April 17, 2018. REUTERS/Faisal Al Nasser - RC1344A80F80
U.N. Counter-Terrorism meet in Riyadh