North Korea's leader Kim Jong Un and U.S. President Donald Trump talk in the garden of the Metropole hotel during the second North Korea-U.S. summit in Hanoi, Vietnam February 28, 2019. REUTERS/Leah Millis

BEIJING (Reuters) - China hopes that the United States and North Korea can exercise patience, meet each other halfway and continue to talk, China’s top diplomat Yang Jiechi told U.S. Secretary of State Mike Pompeo on Friday in a phone call, China’s foreign ministry said.