Namely, the United Nations Security Council added 21 shipping companies, 15 North Korean ships, 12 non-North Korean ships and a Taiwanese man, on its blacklist.

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This move aims to pressure North Korea's leader Kim Jong Un, who plans to meet with his South Korean and US counterparts. The 12 non-North Korea ships have a global port ban and they will be deregistered, 15 North Korean ships will have their assets frozen and 13 will be imposed with a global port ban, Reuters reported.

The UN Security Council has increased its sanctions on North Korea since 2006, in order to tackle North Korea's nuclear and ballistic missile programs.

The Council has also banned exports such as coal, iron, lead, textiles and seafood, and imposed limits on imports of crude oil and refined petroleum products.