Chinese President Xi Jinping and Kim Jong Un met in China for the second time in six weeks on Tuesday, signalling their warming ties ahead of the North Korean leader's expected summit with US President Donald Trump.
US President Donald Trump says that five locations are under consideration for his expected meeting with Kim Jong Un, the leader of nuclear-armed North Korea.
North Korea is in talks with the US and Sweden to release three Americans held in the North, reports said, as diplomatic activities gathered pace ahead of Pyongyang's planned summits with Washington and Seoul.
President Donald Trump declared that the US had run out of patience with North Korea over its nuclear drive Friday as he welcomed South Korea's new leader Moon Jae-In to talks at the White House.
Washington's top diplomat was to fly into Tokyo on Wednesday to begin a first tour of Asian capitals under the shadow of North Korea's nuclear posturing.
Team Sky were facing a public relations dilemma on Monday as Chris Froome and Bradley Wiggins appeared at odds over who would lead the Tour de France challenge this year.