Arab League Secretary-General Nabil Elaraby (L) and Palestinian President Mahmoud Abbas (R) talk as they arrive for an Arab League Foreign Ministers emergency meeting at the League’s headquarters in Cairo, December 21, 2013. Deadly violence in the West Bank has increased in recent months and at least 19 Palestinians and four Israelis have been killed since U.S.-backed Israeli-Palestinian peace talks resumed in July after a three-year break. REUTERS/ Mohamed Abd El Ghany (EGYPT – Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY)