North Korean leader Kim Jong-un and Chinese President Xi Jinping held an hour-long meeting in Beijing yesterday. Citing sources, South Korean news agency Yonhap said, both leaders discussed the possible US-North Korea summit.<br />'' <br />''The North Korean leader reached Beijing earlier in the day for an unannounced visit, at the invitation of the Chinese President. Mr Kim will be in the country until Friday.<br />'' <br />''The visit comes amid reports that negotiations are underway for a second summit between Mr Kim and US President Donald Trump. Mr Kim's visit, during which he is being accompanied by several leading North Korean officials, is his fourth to China in less than a year.