South Africa's G20 presidency was meant to be an opportunity to get rich, powerful nations to pay attention to poorer countries' concerns such as burgeoning inequality, crippling sovereign debt and a lack of progress in the fight against climate change.

Trump’s freeze on aid to South Africa caps years of growing tension over everything from Russia and China to Israel.

U.S. President Donald Trump's attacks on what he alleges is South Africa's mistreatment of its white minority are being met with mockery on social media by some white South Africans poking fun at their own privilege.