North Korean ballistic missiles fired at Ukraine by Russian forces since late December have been far more precise than salvos of the weapons launched over the past year, two senior Ukrainian sources told Reuters.

North Korea sent its best troops to aid Russia in its war against Ukraine. But after months of suffering severe losses, they have been taken off the front line.

When Ukrainian soldiers captured two North Korean prisoners of war last month, it provided the first undeniable proof of Pyongyang’s direct involvement in the war against Ukraine. It also shed some light on the mindset and training of the conscripted North Korean soldiers sent to fight Russia’s war a continent away from their

"The worst problem we are facing is the one coming from North Korea," the head of Kyiv's military intelligence agency said in the fall.

Experts say Pyongyang’s advancing missile technology raises global security risks and threatens regional stability.