By David Lawder, Greta Rosen Fondahn and Maria Martinez STOCKHOLM (Reuters) -U.S. and Chinese officials agreed to seek an extension of their 90-day tariff truce on Tuesday, following two days of talks in Stockholm aimed at defusing an escalating trade war between the world's two biggest economies that threatens global growth.

China and the United States agreed Tuesday to hold further talks on extending their tariff truce, but a top US trade official stressed that President Donald Trump would make any "final call." "Nothing has been agreed until we speak with President Trump,

The United States and China appear to be moving toward extending a 90-day trade truce between the two countries, but President Trump must sign off.