
A North Korean soldier killed two of his superiors Saturday and defected to South Korea across the countries' heavily armed border in a rare crossing that prompted South Korean troops to immediately beef up their border patrol, officials said.
The soldier shot his platoon and squad leaders before crossing the western side of the Demilitarized Zone at around noon, a Defense Ministry official said, citing the soldier's statement after he was taken into custody by South Korean border guards.
The official, who declined to be named because questioning by authorities was ongoing, had earlier said one of the killed North Korean troops was a company...