‘I hope they end this evening, but if need be, we’ll be here tomorrow,’ the US commerce secretary tells reporters.

Chinese and American officials are set to begin a second day of negotiations in London, with both sides sending signals about their expectations.

American and Chinese officials seek breakthrough on export controls that threaten a fresh rupture between world’s two largest economies

‘I hope they end this evening, but if need be, we’ll be here tomorrow,’ the US commerce secretary tells reporters.