North Korean leader Kim Jong Un has called for bolstering nuclear forces this year during a visit to a nuclear material production base and nuclear weapons institute, state media KCNA reported on Wednesday.

North Korea defended its right to maintain a nuclear weapons program at a United Nations disarmament conference held shortly after U.S. President Donald Trump referred to the North as a "nuclear power.

South Korea rebuked President Trump’s remarks calling North Korea a “nuclear power,” raising concern about the relationship between the two countries. “North Korea’s denuclearization remains a

U.S. President Donald Trump will pursue the "complete denuclearization of North Korea," a White House official said Tuesday, amid questions over whether Trump's recent reference to the North as a "nuclear power" signaled any policy shift.

North Korean leader Kim Jong Un has inspected a facility that produces nuclear material and called for bolstering the country’s nuclear capability, state media reported Wednesday, as the North looks to increase pressure on the United States following the inauguration of U.

North Korean leader Kim Jong Un vowed that Pyongyang's nuclear programme would continue "indefinitely", state media reported Wednesday, days after new US President Donald Trump said he would make rene