The World Trade Organization has announced that China has initiated a WTO dispute over the U.S. imposing a 10% additional duty on imports from all trading partners effective April 5th, and a 34% additional duty on imports from China that will become effective on April. 9th.
Please see this link for more information: https://www.wto.org/english/news_e/news25_e/dsrfc_08apr25_e.htm