The BRICS summit in Rio de Janeiro hit a wall Monday morning when Donald Trump, now back in the White House, threatened to slap 10% tariffs on any country pushing what he called “anti-American” policies.

Any country aligning themselves with the anti-American policies of BRICS will be charged an additional 10% tariff."

The president said the levy will apply to "any country aligning themselves with the Anti-American policies of Brics".