US trading partners trying to navigate the final weeks of negotiations before President Donald Trump’s so-called reciprocal tariffs hit are facing a leader who has made clear he’s lost patience with talks.

President Donald Trump has threatened new tariffs on any nation supporting “anti-American” policies of the BRICS group of emerging economies, as he announced tariff letters would be sent out to scores of countries from Monday,

Trump had previously threatened tariffs on the BRICS group if they followed through with plans to challenge the supremacy of the U.S. dollar.