Japan reportedly made the decision amid the uncertainty in the North Korean-US talks on further steps as part of the denuclearization efforts.
The Japanese sanctions on North Korea envisage ban on imports of North Korean goods as well as forbidden entry to Japanese ports for North Korean-registered ships and vessels that visited North Korean ports.
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Japan and North Korea have not established official diplomatic ties so far, with one of the most sensitive issues souring their relations being the abduction of Japanese nationals.
The situation on the Korean Peninsula improved last year with North Korean leader Kim Jong-un and South Korean President Moon Jae-in having held several meetings.
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Kim has also held two meetings with US President Donald Trump, with the parties having reached an agreement in June, stipulating that North Korea would make efforts to promote complete denuclearization of the peninsula in exchange for US-South Korean military drills' freeze and a potential removal of US sanctions. However, the second Trump-Kim summit held in February ended with no new agreements.