CAIRO: Images of dead, wounded and traumatized Russian children being carried from the scene of a rebel school siege have horrified the Arab world, prompting forthright self-criticism and fresh concern about an international backlash against Islam and its followers. Arab leaders, Muslim clerics and ordinary parents across the Middle East denounced the school siege as unjustifiable. Some warned such actions damage Islam's image more than all its enemies could hope. Even some supporters of Islamic militancy condemned it, though at least one insisted Muslims were not behind it. ``Holy warriors'' from the Middle East have long supported fellow Muslims fighting...