Palestinians gather to celebrate the agreement to form a unity government in Gaza on April 23, 2014. The agreement was reached in talks in Gaza City which continued into the early hours of the morning between Hamas leaders and a Palestine Liberation Organisation (PLO) delegation headed by Azzam al-Ahmad, a senior figure in president Mahmud Abbas's Fatah movement. AFP PHOTO / MAHMUD HAMS        (Photo credit should read MAHMUD HAMS/AFP/Getty Images)