North Korean ruler Kim Jong Un said a new naval destroyer was damaged in a "serious accident and criminal act caused by absolute carelessness."

On Tuesday, South Korean military officials announced that North Korea likely received help from Russia to develop a new air-to-air missile — a missile fired from an aircraft to destroy another aircraft — which is the kind of advanced weaponry that South Korea is attempting to build by 2032.

North Korea has begun a full-scale investigation into the accident that occurred during the launch of a warship this week, state media KCNA reported on Friday.

Song Sang-hyun said "the time is right" for Ukraine to file a complaint over North Korea's military assistance to Russia.

This week, the United Nations General Assembly met for its first-ever public high-level session devoted to North Korea's human rights situation. The meeting highlighted Pyongyang’s brutal repression of its citizens as a driver of global insecurity.