Multiple images and videos published in Russian media in recent weeks show Moscow’s troops using several types of North Korean rockets and artillery shells against Ukraine, providing what one expert called evidence “beyond a reasonable doubt” of arms transfers between Pyongyang and Moscow.

The most recent example came via a so-called war correspondent Telegram channel, which posted images on Saturday purporting to show North Korea-made rockets used by Russian forces near the Ukrainian city of Kherson.

The post states that Russian marines are congratulating “the enemy on the coming new year with the help of 122mm North Korean rockets for