Former N.K. rail chief executed over 2004 train station blast: official SEOUL, April 4 (Yonhap) -- North Korea has executed a former cabinet minister in charge of railways over the deadly explosion of a train station near the border with China in 2004, an official in Seoul said Monday, the latest reported execution of a senior North Korean official. The government official confirmed the execution of former Railways Minister Kim Yong-sam, noting it was apparently related to the explosion of Ryongchon Station in the North's rural northwestern area. The official asked not to be identified because of the issue's sensitivity...