Egypt's President Abdel Fattah al-Sisi (L) receives Qatar Sheikh Tamim bin Hamad al Thani upon his arrival ahead of the Arab Summit in Sharm el-Sheikh, in the South Sinai governorate, south of Cairo, March 28, 2015. Arab League heads of state will hold a two-day summit to discuss a range of conflicts in the region, including Yemen and Libya, as well as the threat posed by Islamic State militants. Egyptian Presidency/APAIMAGES_1727.10