The submarine could significantly escalate security concerns on the Korean peninsula and in the Taiwan Strait, experts say North Korea's construction of a nuclear-powered submarine could significantly escalate security concerns on the peninsula and in the Taiwan Strait,

U.S. President Donald Trump said on Thursday he still has a good relationship with North Korean leader Kim Jong Un, with whom he held several summits during his first term, and referred to North Korea once again as a "nuclear power.

U.S. President Donald Trump reaffirmed his relationship with North Korean leader Kim Jong Un, referring to North Korea as a nuclear power. During an Oval Office meeting with NATO Secretary-General Mark Rutte,

The comments have sparked fears the US might favour talks on nuclear arms reduction with North Korea instead of full denuclearisation.

US President Donald Trump stated that he still maintains good relations with North Korean leader Kim Jong Un, with whom he held several summits during his first term. The White House leader once again referred to North Korea as a "nuclear state,

U.S. President Donald Trump on Thursday expressed his desire to reestablish the relationship that he had with North Korean leader Kim Jong-un during his first term, boasting that he "got along great" with the reclusive leader.

U.S. President Donald Trump claimed Thursday to have a "great" relationship with North Korean leader Kim Jong-un, and described the recalcitrant country as a "nuclear power," as he has voiced openness to reengaging with the dynastic ruler.