The renewed U.S.-China trade truce struck in London left a key area of export restrictions tied to national security untouched, an unresolved conflict that threatens a more comprehensive deal, two people briefed on detailed outcomes of the talks told Reuters.

During the London negotiations, Chinese officials appeared to tie progress on rare earth exports to easing restrictions on AI chip shipments. Both issues remain unresolved despite the new truce in a t

The U.S. and China have agreed to a framework to implement the trade truce they struck in Geneva last month, after two days of talks in London.