Train believed to be carrying North Korea's Kim leaves Beijing

BEIJING (Reuters) - A train believed to be carrying North Korean leader Kim Jong Un left a station in the Chinese capital on Wednesday, a Reuters witness said. Kim was invited to Beijing by Chinese President Xi Jinping to visit China amid negotiations for a second summit between Kim and U.S. President Donald Trump. Neither Chinese nor North Korean state media have disclosed details of the visit. (Reporting by Jason Lee and Se Young Lee; Editing by Nick Macfie)