Demonstrations and strikes against President Slobodan Milosevic disrupted travel throughout the region but didn’t paralyze the country as the opposition had hoped. Trouble could erupt if Milosevic insists on holding a runoff election Oct. 8, which the opposition has vowed to boycott. Opposition leaders and the international community believe that Milosevic lost the election outright and should cede power. Watch developments here before contemplating travel.