Delegations from the US and China were set to continue their talks in Madrid into a second day on Monday over trade tensions and an imminent deadline for Chinese divestment from the short-video app TikTok.
The latest round of negotiations - the fourth in four months - took place at the baroque Palacio de Santa Cruz that houses Spain's foreign ministry and concluded its first day on Sunday after about six hours with no indication of a breakthrough.
Talks had centered on TikTok, tariffs and the economy, a US government official said, offering no further details.
Delegations led by US Treasury Secretary Scott Bessent and Chinese Vice Premier He Lifeng have been meeting in European cities since May to try to resolve differences that prompted President Donald Trump to raise tariffs on Chines