Trade war risk to dominate BRICS summit in S.Africa China's President Xi Jinping holds talks with South African President Cyril Ramaphosa in Pretoria on the eve of the BRICS summit, saying that "the Johannesburg summit has special significance for BRICS cooperation in the new circumstances". Leaders of Brazil, Russia, India, China and South Africa meet in Johannesburg this week, with the threat of a worsening global trade war topping the agenda. IMAGES AND SOUNDBITES