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 itself with the communist and Nasserist Lebanese National Movement (LNM). Although originally aligned with Fatah, Syrian President Hafez al-Assad feared a loss of influence in Lebanon and switched sides. He sent his army, along with the Syrian-backed Palestinian factions of as-Sa'iqa and the Popular Front for the Liberation of Palestine – General Command (PFLP-GC) led by Ahmad Jibril to fight alongside the Christian forces against the PLO and the LNM. The primary component of the Christian militias was the Maronite Phalangists. Phalangist forces killed twenty-six Fatah trainees on a bus in April 1975, marking the official start of the 15-year-long