12000 norks in russia to fight ukraine  south korea said on friday that it believes north korea has sent troops to russia.  the country's spy agency said north korea was participating in the war in ukraine and had decided to send 12,000 troops, including a special forces unit. south korean president yoon suk yeol held an unscheduled security meeting with key intelligence, military and national security officials to discuss north korean troops' involvement in russia's war against ukraine.    s/1847207749618155652
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