In an effort to implement the United Nations Security Council resolution on Pyongyang, Mongolia has repatriated four-hundred-45 North Korean workers between last December and the end of March this year.<br /> According to the implementation report on UN-SC Resolution 2-3-9-7, published on Friday, Mongolia also expelled two-hundred North Korean workers in 2016. <br />The report also said Mongolia has not signed a new labor exchange agreement with Pyongyang after the previous agreement expired earlier this month.<br />Resolution 2-3-9-7, which was adopted following Pyongyang's ICBM test in November 2017, requires member states to repatriate North Korean workers by December 2019. <br />