Russian-language social media has published what could be the first visual evidence of North Korea sending troops for Moscow’s war effort against Ukraine. The two videos, initially circulated by pro-Kremlin military bloggers on Telegram and picked up by the investigative outlet Agentstvo, show what appear to be phalanxes of what it describes as North Korean troops at a military base. “There’s millions of them,” a voice can be heard saying in one of the videos in Russian, appearing to be filming secretly. POLITICO has not been able to independently verify the veracity of the videos or their content. The videos…