The U.S. Justice Department on Tuesday blocked some three dozen websites, many of them associated with Iranian disinformation activities, a U.S. government source said, adding an official announcement was expected. The source in Washington spoke after notices appeared earlier on Tuesday on a number of Iran-affiliated websites saying they had been seized by the United States government as part of law enforcement action. Iranian news agencies said that the U.S. government had seized several Iranian media websites and sites belonging to groups affiliated with Iran such as Yemen’s Houthi movement. Some sites later started to display as normal. The website of the Arabic-language Masirah TV, which is run by the Houthis, read: “The domain almasirah.net has been seized by the United States Governm...