Sensitive talks between U.S. and Chinese delegations over tariffs that threaten to upend the global economy ended after a day of prolonged negotiations and will resume Sunday, an official told The Associated Press.

The meetings between top U.S. and Chinese officials in Geneva represent the first potential efforts to end a trade war that has frazzled financial markets.

Commerce Secretary Howard Lutnick said during a recent interview that President Trump’s administration is looking to deescalate the ongoing tariff war but first will need to get the China trade