On April 2025, DPRK confirmed that it deployed troops to the Kursk region of Russia, to defend the region from Ukrainian attacks. I posted DPRK's full statement on the link below. Also DPRK built a museum to honor the troops who were deployed to the Kursk region. KCNA has published multiple articles related to the construction of the museum.

The portion that I quoted says that DPRK only deployed troops to Russian territory, not Ukrainian territory, so that DPRK is compliant with international law.

The military activities of the armed forces of the Republic conducted within the boundary of the Russian Federation fully conform to all the provisions and the spirit of the UN Charter and other international laws and the treaty on comprehensive strategic partnership between the DPRK and Russia and serve as a model example and an excellent model of the most faithful expression of action to implement them.

Under the order of the head of state, the sub-units of the armed forces of the Republic regarded the territory of Russia as the one of their country and proved the firm alliance between the two countries of the DPRK and Russia and recorded legendary tales of military feats with their high will of defence, the do-or-die spirit and practical combat action accompanied by sacrifice.

https://hexbear.net/post/4729935