Telegram / @Tsaplienko Russian soldiers have been filmed giving North Korean troops battlefield training and language lessons, with some of Kim Jong-un’s men picking up swear words. In one video, a small group of Pyongyang’s soldiers preparing to head to the front line is shown how to lay landmines by Moscow’s military instructors.

Some 50,000 Russian and North Korean soldiers deployed in the Russian region of Kursk have recently entered combat against Ukrainian forces, a senior official in Kyiv told Japanese news agency Kyodo Wednesday.

The Russian military has assembled a force of 50,000 soldiers, including North Korean troops, as it prepares to begin an assault aimed at reclaiming territory seized by Ukraine in the Kursk region of Russia.