The exchange at a highly anticipated summit in Beijing underscored just how far apart Trump and Xi still are on thorny issues, including the war in Iran, trade disputes and Washington's relations with Taiwan, which is self-ruled but which China claims as part of its territory.

Presidents Xi Jinping and Donald Trump are preparing for a summit, with both China and the U.S. emphasizing stable ties.

President Donald Trump is downplaying differences with President Xi Jinping over the U.S. conflict in Iran as he heads to Beijing for a high-stakes summit with the Chinese leader.