Brazilian leader doesn’t think ‘it’s very responsible and serious for a president … of the US to threaten the world over the internet’.

U.S. President Donald Trump threatened to add an additional 10 percent tariff to any country aligned with BRICS (Brazil, Russia, India, China, and South Africa) and then later threatened 25 percent tariffs as of 1 August on China,

Trump said the U.S. will impose an additional 10% tariff on any countries aligning themselves with the "Anti-American policies" of the BRICS group of developing nations, whose leaders kicked off a summit in Brazil.