US
The series of tests since KN-25 was first unveiled shows North Korea is improving its ability to fire multiple rockets
Trump's statement came a day after his defense secretary hinted that the drills could resume
The White House said the letter followed up on the pair's June 12 summit
Kim agreed to the "complete denuclearisation of the Korean Peninsula"
Meeting between North Korean leader Kim Jong-un and US President Donald Trump fell short of expectations
Donald Trump is set to meet N Korean leader Kim Jong Un at an unprecedented summit on Tuesday in Singapore
Trump is not tearing up the rule book because he came to the presidency not having read one