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.

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 it ramps up pressure on the United States following the inauguration of President Donald Trump.

The United States and North Korea are engaged in a tug of war as they edge closer to potential negotiations over Pyongyang's nuclear program, with Washington reiterating its commitment to North Korea’s complete denuclearization following a recent visit by North Korean leader Kim Jong-un to a nuclear material production base,