People watch news of missile test on a public TV screen in North Korea.
AP Photo/Jon Chol Jin
North and South Korea explained in four questions and answers.
Supporters of presidential candidate Moon Jae-in.
REUTERS/Kim Kyung-Hoon
North and South Korea explained in four questions and answers.
Moon Jae-in (L) seems to be outpacing his rivals.
EPA/Chung Sung-Jun
May 4, 2017
Markus Bell , University of Sheffield and Marco Milani , University of Southern California – Dornsife College of Letters, Arts and Sciences
Seoul's Blue House looks set to host its first liberal president in a decade.
Seismic waves observed in South Korea after North Korea claimed it tested a hydrogen bomb on January 6 2016.
Kim Hong-Ji/Reuters
The key question is whether North Korea does have nuclear weapons that it can readily use against the United States and its regional allies, South Korea and Japan.