The tour has been years in the making as North Korea wouldn't sanction train tours until recently — foreigners were previously only allowed to ride the country's international train service.

For the first time in more than a decade, a train has travelled from South Korea across the heavily guarded border into North Korea. On board is a team of South Korean experts investigating ways ...

By around 8:00 Greenwich Mean Time, Sept. 11, South Korean media began reporting Kim’s train had “departed” for North Korea. Kim’s location, however, was unclear. As conflicting reports over when and ...