By Manuela Andreoni and Lisandra Paraguassu RIO DE JANEIRO (Reuters) -Developing nations at the BRICS summit on Monday brushed away an accusation from President Donald Trump that they are "anti-American,

President Donald Trump threatened to add a 10% tariff rate on BRICS-aligned countries. The term first applied to 4 countries but the group expanded.

U.S. President Donald Trump warned early Monday that countries that support of BRICS nations -- Brazil, Russia, India and China -- would be slapped with an additional 10% tariff when across-the-board