US issues worldwide 'caution' advisory for citizens overseas

US issues worldwide 'caution' advisory for citizens overseas The US state department issued an advisory for Americans abroad, especially in the Middle East, “to exercise increased caution” amid rising tensions linked to the war with Iran. In a worldwide alert, the department warned that “periodic” airspace closures could disrupt travel and said US diplomatic facilities have been targeted. “Americans abroad should follow the guidance in security alerts issued by the nearest U.S.