President Trump vowed to impose 50% tariffs on imports from Brazil, citing a "witch hunt" of Brazil's former president.

Brazil is set to summon the U.S. embassy's chargé d'affaires after the diplomatic entity backed ex-leader Jair Bolsonaro. This comes as Trump, via social media, labeled Bolsonaro's trial for an alleged coup plot a 'witch hunt.

For the third time in three months, Donald Trump has identified a foreign ally facing legal trouble. And also for the third time in three months, the American president has condemned the foreign case as a “witch hunt.