North Korea: S. Korea Warned To Cancel Its Planned Artillery Drill

North Korea has warned South Korea to cancel a planned live-fire artillery exercise or face an even deadlier attack than last month's barrage of Yeonpyeong Island that killed two civilians and two marines, reports MSNBC.

Earlier this week, Seoul announced plans for exercises between Saturday and Tuesday on Yeonpyeong, which was shelled on Nov. 23.

North Korean official news agency KCNA said the "intensity and scope" of its actions will be worse than the previous attack.

The South has said its military activities are part of "routine, justified" exercises.

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