Yemen’s Foreign Minister Riad Yassin (C) looks on before meeting ahead of the Arab League Summit in Sharm el-Sheikh, in the South Sinai governorate, south of Cairo, March 26, 2015. Arab leaders meeting at a summit this week face rapidly deteriorating conflicts in Yemen and Libya, but have yet to agree on a concrete plan to counter a growing threat from Islamist militant groups and regional chaos. REUTERS/Amr Abdallah Dalsh