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
North Korea - A country formed in 1945 when Japanese-occupied Korea was split between a Communist government in the north and a capitalist one in the south. Today it is extremely reclusive, and hostile to the West.
Kim Jong-un - The leader of North Korea since 2011.
Embassy - The workplace of a group of government officials who represent their country in another country.
Rally - A big meeting of people to support a cause.
Pyongyang - The capital of North Korea. In the early 20th Century it was a centre of Christianity known as the “Jerusalem of the East”.
Vancouver - A city on the west coast of Canada which is consistently named as one of the best places in the world to live.