The sixth and latest nuclear test by North Korea on September 3 has once again put the spotlight on China. US President Donald Trump has repeatedly asked China to do more to rein in the nuclear weapons and missile development by its neighbour and treaty ally, but to no avail.
In fact, China may have already lost most of its direct influence on North Korea through past unsuccessful attempts to control the rogue state’s behaviour. It does still have more leverage on its neighbour than any other country because it supplies most of the oil to North Korea,