Ukrainian and Russian representatives will meet in Istanbul, Turkey, on Thursday, for their first meeting since the opening weeks of Moscow's 3-year-old invasion.

President Trump appears to be following up on threats to boycott the conference, hosted by South Africa in Johannesburg this year, over his outlandish claims that the country is discriminating against white South Africans by taking away their land under a government expropriation law meant to undo years of racial inequality caused by apartheid.