Seoul: Some 10,000 North Korean troops have been deployed in Russia, with a "considerable" number of them having been dispatched to front-line areas, South Korea's defense ministry said Tuesday. The deployment has raised concerns about potential combat involvement in Russia's western border region of Kursk.According to Yonhap News Agency, Jeon Ha-kyou, a spokesperson at South Korea's defense ministry, addressed the situation during a press briefing. Jeon confirmed that more than 10,000 North Korean troops are currently in Russia and that a significant portion of them have moved to front-line areas, including Kursk. While Jeon did not provide new information about the troops' activities, he emphasized that South Korea's military and intelligence authorities are closely monitoring the developments.On Monday, a U.S. State Department spokesperson reported that as many as 10,000 North Korean troops were in the Kursk region and may engage in combat in the near future.