br Reuters reports China and South Korea called for concessions from the United States as well as North Korea, ahead of a possible second summit between North Korean leader Kim Jong Un and U.S. President Donald Trump. They suggested a U.S. pressure campaign aimed at the North’s denuclearization may be slipping. South Korean President Moon Jae-in said on Thursday North Korea should take bold steps towards denuclearisation, such as abandoning long-range missiles, to extract U.S.