NEW - U.S. State Department issues a "Worldwide Caution," and warns that "Groups supportive of Iran may target other U.S. interests overseas or locations associated with the United States and/or Americans throughout the world." https://hell.twtr.plus/media/a6/c2/4c/a6c24c0865a34a4728a83bea3c36cad7f797dd664b49a5603d147fd8df34c3ad.file