U.S. and Chinese officials agreed to seek an extension of their 90-day tariff truce on Tuesday, following two days of what both sides described as constructive talks in Stockholm aimed at defusing an escalating trade war between the world's two biggest economies that threatens global growth.

Top officials from the US and China have ended two days of what both sides described as "constructive" talks over whether they will extend their 90-day tariff truce. China's trade negotiator Li Chenggang said Beijing and Washington had agreed to push to preserve the truce,