High-level delegations from the United States and China are meeting in London to try and shore up a fragile truce in a trade dispute that has roiled the global economy.

Top U.S. and Chinese officials were meeting in London on Monday to try to defuse a trade dispute that has widened from tariffs to restrictions over rare earths, threatening a global supply chain shock and slower economic growth.

U.S.-China trade talks were set to continue in London on Tuesday, as the world’s top two economies strive to sort out differences following a call between the leaders of the two countries. President Donald Trump’s top trade officials met their Chinese counterparts in London on Monday,