"We can be certain [North Korea] will ask for a high price from Russia in return," the UK's ambassador to the UN claimed.

South Korea warns it could consider supplying weapons to Ukraine in response to North Korea allegedly dispatching troops to Russia.

Amid the ongoing Russia-Ukraine war, tensions between NATO countries and the Kremlin have continued, with NATO leaders increasingly warning that direct conflict with Moscow is a realistic possibility. This comes after Putin and senior Russian officials have repeatedly threatened a nuclear escalation in the war against Kyiv and its Western partners.