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"Together with Japan, and all our allies, we will continue to intensify our maximum pressure campaign until North Korea takes concrete steps toward complete, verifiable, and irreversible denuclearization," CNN quoted Pence as saying.
The US Vice President further said that the purpose of his trip was to "make sure that North Korea doesn't use the powerful symbolism and the backdrop of the Winter Olympics to paper over the truth about their regime."
Also, the two countries have never had a unified team in any sport at the Olympics before.
However, the two Koreas competed at the world table tennis championships and the world youth football championships as one country in 1991.
Also, a joint training will be conducted among the ski athletes at Masikryong Ski Resort in North Korea.
The Winter Olympics is scheduled to take place at South Korea's Pyeongchang from February 9-25.
The development between the two countries has brought some ease to their strained relations.
The two sides have also agreed to hold military talks to resolve border issues.