Masked Palestinians hold knifes and axes as they celebrate an attack on a Jerusalem synagogue while standing in front of a poster of the attackers,Ghassan and Uday Abu Jamal, during a rally in Rafah in the southern Gaza Strip November 18, 2014. Two Palestinians armed with a gun and meat cleavers burst into a Jerusalem synagogue and killed four Israelis before being shot dead in the bloodiest attack in the city in years. AFP PHOTO/ SAID KHATIB (Photo credit should read SAID KHATIB/AFP/Getty Images)