President Donald Trump has threatened to impose higher tariffs on Japan, citing the country's refusal to import American-grown rice. Trump criticized Japan for not purchasing U.S. rice exports despite the need, indicating this as a basis for potential tariff increases. The announcement reflects ongoing trade tensions between the United States and Japan, with the U.S. administration signaling a tougher stance on trade policies related to agricultural products. No specific tariff rates or timelines for the imposition of new tariffs were disclosed.