Why are North Korean troops in Russia?

The United States confirms it has grounds that North Korean troops are successful Russia. Questions stay arsenic to whether the North Korean soldiers are being trained to enactment Russian forces connected the battlefield successful Ukraine. South Korean officials interest the Kremlin whitethorn reward the North by giving it blase weapons exertion targeting South Korea. We talk with Thomas Graham, a distinguished chap astatine the Council connected Foreign Relations and erstwhile peculiar adjunct to the president and elder manager for Russia connected the National Security Council unit joins america for investigation into what it could mean for Europe and the Indo-Pacific.