Fighter jets buzzed Seoul today to simulate an attack by North Korea as the South conducted its biggest emergency drill in response to the deadly shelling of Yeonpyeong Island.

North Korea has been stealing trucks, cranes and other equipment from a nuclear power plant site where an American-led consortium stopped construction four years ago in a dispute over the North’s nuclear weapons development, the South Korean newspaper...

For the Obama administration, North Korea has followed a familiar script. It has made trouble, exploding a nuclear device. It has made nice, inviting U.S. officials to visit. And it has made a mess of growing food, needing handouts from the rich...

On the evening of July 10, Bonogit Hussain, a 29-year-old Indian man, and Hahn Ji-seon, a female Korean friend, were riding a bus near Seoul when a man in the back began hurling racial and sexist slurs at them.