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.

A North Korean media outlet says the country's leader Kim Jong Un has visited a nuclear weapons institute and a base where nuclear material is produced.

North Korean leader Kim Jong Un has called for the bolstering of the country's nuclear forces this year during a tour of a nuclear-