North Korean leader Kim Jong Un (2nd right) inspecting a newly built Wonsan Baby Home and Orphanage in Wonsan in Kangwon province. Since taking over North Korea’s leadership after the death of his father Kim Jong Il in 2011, Kim has removed key members of the old guard through a series of purges. Photograph: KCNA/AFP/Getty Images

South Korea’s spy agency says that North Korean leader Kim Jong Un ordered the execution of 15 senior officials this year who were accused of challeng(...)

A soldier stands guard at a sentry post, at the banks of Yalu River, near the North Korean town of Sinuiju. Photograph: Jacky Chen/Reuters

North Korea pledged today to restart a nuclear reactor which can make one bomb’s worth of plutonium a year, escalating tensions already raised by n(...)