Kim Seongmin, who fled to South Korea in the 1990s, broadcasts to his homeland twice a day, delivering the kind of information Pyongyang is trying hard to suppress.

North Korea's "3-day war" strategy aims to quickly overpower South Korea using rapid military tactics, special forces, and missile strikes.

By Jack Kim SEOUL (Reuters) -North Korean leader Kim Jong Un has told the Russian defence minister that Ukraine's use of long-range weapons is the result of direct military intervention by the United States and Moscow is entitled to fight in self-defence,