Senior Fatah official Azzam al-Ahmad, left, Gaza's Hamas Prime Minister Ismail Haniyeh, center, and senior Hamas leader Moussa Abu Marzouk, who is based in Egypt, after the announcement of an agreement between the two rival Palestinian groups, Hamas and Fatah, at Haniyeh's residence in Shati Refugee Camp, Gaza Strip, Wednesday, April 23, 2014. Rivals Hamas and Fatah made a new attempt Wednesday to overcome the Palestinians' political split, saying they would seek to form an interim unity government within five weeks, followed by general elections by December at the earliest. (AP Photo/Adel Hana), APTOPIX