Hamas chief Khaled Meshaal (L) and senior Hamas leader Ismail Haniyeh flash victory signs upon arrival at a rally marking the 25th anniversary of the founding of Hamas, in Gaza City December 8, 2012. After receiving a hero's welcome on his return from decades in exile, Hamas leader Khaled Meshaal will attend a rally in Gaza on Saturday to mark the founding of his Islamist group and celebrate ''victory'' over Israel. REUTERS/Mohammed Salem
{}