North Korea says leader Kim Jong Un observed the first test-firings of missiles from a recently launched destroyer and called for speeding efforts to boost his navy’s nuclear attack capabilities.

This development comes amid a period of intensified cooperation between the two countries, with North Korea reportedly providing munitions and troops to support Russia's war in Ukraine.

The two countries have vowed to expand bilateral relations after North Korea sent troops and weapons in support of Russia’s war against Ukraine. By Choe Sang-Hun Reporting from Seoul North Korea ...