North Korea has sent thousands of additional troops

North Korea appears to have sent more troops to Russia to back its war against Ukraine, Seoul says
North Korea has sent more troops to Russia, reports citing Seoul's spy agency say
North Korea sending more troops to fight for Russia, Seoul says
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North Korea has deployed more troops to Russia: Seoul
North Korea has sent more soldiers to Russia and re-deployed several to the frontline in Kursk, Seoul's spy agency told AFP on Thursday.
Anadolu Agency4d
N.Korea sent 3,500 soldiers to Russia for training, with deployment underway: S.Korean legislator
Some 3,500 North Korean soldiers undergoing field adaptation training in 5 locations in Russia's Far East,' with a possibility of a 3rd deployment, says Yu Yong-weon, citing Ukrainian intelligence - A
North Korea warns U.S. and South Korea will 'pay dearly' for joint military exercise
North Korea condemned an upcoming U.S.-South Korea joint military exercise Friday, saying that "counteraction is inevitable" and warning that the allies would "pay dearly."