Lawmakers: South Korea's spy chief says North Korea has sent another 1,500 troops to Russia

South Korea's spy agency reports that North Korea has sent a total of 3,000 special operation forces to Russia to aid in its war against Ukraine, with plans to deploy 10,000 troops by December. Strengthened military cooperation between North Korea and Russia raises concerns about potential advancements in North Korea's nuclear and missile capabilities, particularly for South Korea.