Despite the China-backed initiative making limited progress, dozens of nations are still eager to join.US President Donald Trump is doubling down against the BRICS bloc of fast-growing economies -- including Brazil,

Host Brazil criticises US president as being ‘very irresponsible’ for vowing extra levies on states aligned to the group

US President Donald Trump's remarks come at a time when leaders of the BRICS nations have just met in Brazil for the 17th summit.