The United States, South Korea and Japan reaffirmed their commitment to the “complete denuclearisation” of North Korea on Saturday, as Pyongyang continues to reject disarmament ahead of possible talks with Washington. Speculation is mounting over a potential meeting between US President Donald Trump and North Korean leader Kim Jong-un at next month’s Apec summit in China, with Trump making repeated overtures to Pyongyang for nuclear talks. US Secretary of State Marco Rubio, South Korean Foreign...