Topic: Yonsei University

North Korea unexpectedly closes entry to key industrial park, upping tensions

The last time South Korean workers were denied entry to the jointly operated factories, a major source of income for North Korea, was in 2009, after North Korea’s second nuclear test.

Terrorism & Security Reality check? North Korean parliamentary session shifts tone

Family man and friendly leader? Kim Jong Un gets positive spin at home

Propaganda or paranoia? North Korea threatens South Korea again

Terrorism & Security North Korea leaves phone to South Korea off the hook (+video)

Will China, Japan, and South Korea hit the 'reset' button for Asia?

South Korea's president-elect promises aid to North

North Korea farm reforms: First step to a market economy?

Nuclear deal? New North Korea and Iran pact raises international concern

Why Japan is angry over South Korea's visit to an island

Kim Jong-un speaks: North Korea to keep 'military first'

North Korea bestows new title on its young leader ahead of rocket launch

North Korea quickly names 'great successor' after Kim Jong-il's death

Visiting Russia, Kim Jong-il casts nervous eye on Tripoli

South Korean students protest rising college tuition

Kim Jong-il wraps up economic 'study tour' in China

North Korea's Kim Jong-un reportedly in China on first diplomatic trip

North Korea walks out of talks. Is it setting the stage for more nuclear tests?

China's Hu Jintao's visit: South Korea is worried Obama will cave on North Korea talks

Could North Korea bring South Korea and Japan together?

What's behind North Korea's offer for unconditional talks?

What's North Korea's next move? Perhaps a nuclear weapons test.

It's official: North Korea says 'modern' nuclear plant is operating

Why South Koreans think North Korean conflict won't escalate

North Korean attack: South mingles toughness with calls for calm