By Lisandra Paraguassu and Manuela Andreoni RIO DE JANEIRO -Leaders of the growing BRICS group of developing nations met in Brazil on Sunday, calling for reform of traditional Western institutions while presenting the bloc as a defender of multilateral diplomacy in an increasingly fractured world.

BRICS leaders at a summit on Sunday took aim at US President Donald Trump's "indiscriminate" import tariffs and recent Israeli-US strikes on Iran.Voicing "serious concerns about the rise of unilateral tariff" measures,