Leaders of the growing BRICS group of developing nations were set to gather in Rio de Janeiro on Sunday, calling for reform of traditional Western institutions while presenting the bloc as a defender of multilateralism in an increasingly fractured world.

Leaders of the growing BRICS group of developing nations meeting in Rio de Janeiro on Sunday are expected to decry US President Donald Trump's "indiscriminate" trade tariffs, saying they are

BRICS group of major emerging economies are meeting in the Brazilian metropolis of Rio de Janeiro on Sunday for a two-day summit.