Mideast Palestinian leader Yasser Arafat is not dead, communications minister Azzam al-Ahmed said, after Israeli media and the Luxembourg premier reported he had passed away in a Paris hospital. US President George W. Bush, fresh from his re-election victory, called on the world community to bury its past disagreements and unite in the war on terror. US President George W. Bush said that there would be changes to his administration lineup but that he has made no firm decisions yet. US President George W. Bush vowed to make every effort to ensure the success of elections in Iraq, but made no specific commitment regarding fresh troop deployments to the region. EU European Union leaders opened a two-day summit in Brussels, against the backdrop of US President George W. Bush's re-election and clouded by reports that Yasser Arafat had died. Afghanistan Afghanistan's newly elected President Hamid Karzai vowed to eliminate private militias as he acknowledged his victory for the first time in the country's historic October 9 ballot. UN Sudan's blood-soaked Darfur region could be headed toward disaster, with warlords on the loose and the government no longer in full control of its troops, the UN's top Sudan official warned. Greece Greece sharply protested a US decision to recognize the former Yugoslav state on its northern border as "Macedonia", the same name as a northern Greek province where Alexander the Great was born. Iraq At least four Iraqis were killed and 18 wounded when a car bomb exploded outside a city council building north of Baghdad, while a second car bombing to the south wounded six Iraqi national guards. Afghanistan The United Nations said it was increasingly worried about three of its election workers, abducted at gunpoint in Kabul a week ago by militants who have threatened to kill them.