The U.S.’s closest security allies in Asia, along with six Southeast Asian countries, have been given another three weeks to negotiate trade deals — or face higher tariffs.

China warned President Trump on Tuesday against restarting trade tensions and that it would hit back at countries that make deals with the US to exclude China from supply chains. Last month, the US and China agreed on a trade framework to ease tensions,

The country’s new president, in office for a little over a month, had just dispatched his senior deputies to Washington to try to work out a trade deal.