Battle of Gaza (2007) were boycotted by both Hamas and Islamic Jihad. The election resulted in PLO and Fatah chairman Mahmoud Abbas being elected President to a four-year term. On 8 February 2005 the Palestinian Authority President Mahmoud Abbas and Israeli Prime Minister Ariel Sharon announced a cease-fire. On 17 March 2005 Hamas endorsed the ceasefire. On 19 March 2005 twelve Palestinian factions, including Fatah, Hamas, Islamic Jihad, Popular Front for the Liberation of Palestine (PFLP) and Democratic Front for the Liberation of Palestine (DFLP) signed the Palestinian Cairo Declaration, which reaffirmed the status of the Palestine Liberation Organization (PLO) as the sole legitimate
Fatah al-Islam to the crisis. The fourth-highest-ranking member of Fatah al-Islam, Saddam el-Hajdib, and his brother Khaled Khair-Eddin el-Hajdib, were among the suspects behind failed bombings on German commuter trains on 31 July 2006. The bombs did not explode due to faulty mechanisms. Saddam el-Hajdib was killed by the Lebanese army in the 2007 conflict between Fatah al-Islam and the Lebanese Army. On 7 December 2006, "Le Monde" reported that a top UN official had been informed by the Palestine Liberation Organization (PLO) representative in Lebanon, Abbas Zaki, of a plot by Fatah al-Islam to assassinate 36 anti-Syrian figures in Lebanon. PLO