By David Brunnstrom, Simon Lewis, Trevor Hunnicutt and Tim Kelly TOKYO/WASHINGTON (Reuters) -The foreign ministers of Japan and the United States said their countries' ties were stronger than ever on Tuesday,

U.S. Steel and Japan’s Nippon Steel sued the United States government on Monday in a last-ditch attempt to revive their attempted merger after President Biden blocked it last week on the basis that the transaction posed a threat to national security.