Brazil hosts the second and final day of the 17th BRICS Summit in Rio de Janeiro on Monday. (AP video by Lucas Dumphreys)

By Lisandra Paraguassu RIO DE JANEIRO -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.

A summit of leaders from the BRICS group of major emerging economies kicks off in Brazil Sunday – but without the top leader of its most powerful member.