Could this lead to war? Travis King disappears into North Korea as tensions rise on the peninsula. Kim Jong-un talks of revenge but experts disagree about what he will do next.
American soldier bolts into enemy territory
Lost: Travis King has not been heard from since he ran across the border into North Korea. Glossary
Disciplinary - About enforcing rules.
Kim Jong-un - The leader of North Korea since 2011.
Diplomatic - Non-violent peacekeeping. Diplomatic means keeping good relations between the governments of different countries.
Communist - An economic system entailing collective ownership of all means of production in contrast with capitalism, which holds that industry and businesses are controlled and run for profit by private owners rather than by the government.
Pyongyang - The capital and largest city of the Democratic People's Republic of Korea (DPRK), commonly known as North Korea. It is the country's political, industrial and transport centre, with about 2,750,000 inhabitants.
Vancouver - A city on the west coast of Canada which is consistently named as one of the best places in the world to live.
Dialogue - Conversation.