The often difficult relations between the world's greatest powers, China and the United States, appear to be improving again as the pair work to resolve the North Korea nuclear stand-off.Washington, and in particular US President Donald Trump, have until very recently been critical of Beijing's cautious approach to its belligerent and nuclear-armed neighbour.But, with a new round of UN-backed sanctions in place, the mood has improved, and US Secretary of State Rex Tillerson set off

Singaporean Prime Minister Lee Hsien Loong’s visit to China this week signals efforts on both sides to reaffirm relations that have showed strains over the past year – both in its timing and number of high-level meetings.Lee began a three-day official visit Tuesday, getting face time with China’s top officials as they prepare for a once-every-five-years party congress next month.