North Korea announced Tuesday it planned to restart a nuclear reactor it shut down five years ago, the latest announcement in weeks of ramped-up rhetoric that has South Korea and its allies watching the country closely. Take a look at the history of the two Koreas.
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Reuters
In response to increased sanctions and as the U.S. and South Korea prepared to start annual war exercises, North Korea threatened to launch a pre-emptive nuclear strike against the United States, then said it was declaring the armistice invalid and cut off a phone link between North and South Korea used for emergency communication.