US agencies are concerned about copycat vehicle-ramming attacks following the New Year's Day attack in New Orleans by a US Army veteran. Syria's new rulers have not yet decided when to hold a landmark national dialog conference. South Korea's presidential guards and military troops prevented authorities from arresting impeached President Yoon Suk Yeol. Poland launched its presidency of the Council of the European Union on Friday mired in a diplomatic row with Hungary. All Syrian groups, including women and Kurds, must be involved in the country's transition if Damascus wants European support.