Mr. Trump has long expressed support for Bolsonaro, a right-wing populist sometimes known as "Trump of the Tropics."

US President Donald Trump has said he will slap a 35% tariff on Canadian goods starting 1 August, even as the two countries are days away from a self-imposed deadline to reach a new deal on trade.

Trump has broadened his trade war in recent days, setting new tariffs on a number of countries, including allies Japan and South Korea, along with a 50% tariff on copper.