In this file photo taken on November 9, 2017 shows U.S. President Donald Trump (L) and China's President Xi Jinping leaving a business leaders event at the Great Hall of the People in Beijing. Trump on August 24, 2018 announced the cancellation of his top diplomat's upcoming visit to North Korea, while taking a swipe at China over efforts to disarm the nuclear state. Trump says China is not 'helping' with North Korea. AFP |