By Hyonhee Shin SEOUL (Reuters) -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,

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

Kim Jong Un has inspected a facility that produces nuclear material and called for bolstering the country’s nuclear capability.

North Korean leader Kim Jong Un called for "indefinitely" strengthening his regime's nuclear weapons capacity, state media reported Wednesday.

The dictator, eager to shut out the influence of Hollywood and K-pop, has been exalting a “shock brigade” of 300,000 teens and 20-somethings drafted into flood reconstruction.

North Korea has test-fired sea-to-surface strategic cruise guided missiles, the North's state media reported Sunday, quoting Kim as saying that Pyongyang's deterrence means are being perfected.

Kim Jong-un has inspected a nuclear-material production base and a nuclear weapons institute, emphasizing that strengthening the nuclear shield is "indispensable" amid a long-term confrontation with "the most vicious hostile countries.

Kim Jong Un vowed North Korea's nuclear program would continue "indefinitely" just days after Trump said he would make renewed diplomatic moves to the leader.