Leaders of the Group of 20 major economies began arriving on Monday at Rio de Janeiro's Modern Art Museum for their annual summit, bracing for a shift in the global order with the return to power of U.

Brazil is pushing for concerted action to alleviate hunger as it hosts a summit of the Group of 20 leading economies amid global uncertainty over two major wars and incoming U.S. President-elect Donal

With leaders from the world's biggest economies converging on Rio de Janeiro for a two-day G20 summit starting Monday, the usually relaxed seaside city is under a tight security blanket.Many locals were planning to leave the city of six million during the summit.