Superior numbers and attacks on supply lines slowly choked off the Ukrainian forces holding the town of Sudzha and forced their retreat.

At the height of their offensive, Ukrainian forces controlled some 500 square miles of Russian soil. Now they hold just a narrow strip of land along the border.

U.S. tariffs will inflict significant harm on the U.S. economy as other countries hit back with "high tariffs" on American goods, Chinese state media warned, leaving the door open for more measures by Beijing as another wave of levies looms.