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.

China's ByteDance signs deal to form joint venture to operate TikTok US app
India reviewing allegations of antitrust breaches by IndiGo
DXB and DWC boost winter schedules with new routes
Amazon in talks to invest in OpenAI
