The latest round of discussions broke up without a deal.
The US had warned that "very difficult issues" remain unresolved after the failed talks, which were held in China.
Both sides are attempting to secure a new deal before further US tariffs are imposed on 1 March.

UAE defence deals worth AED 3.77 billion announced at Dubai Airshow
Emirates to operate largest Starlink-enabled fleet
Flydubai orders 60 GEnx-1B engines for first widebody fleet
Emirates orders 65 more Boeing 777-9 jets at Dubai Airshow
Hyundai Motor to invest $86 billion in South Korea after US trade deal
