(LEAD) Defense ministry voices 'grave concern' over N. Korea heightening border tensions with threats

SEOUL, Oct. 20 (Yonhap) -- The defense ministry on Tuesday expressed "grave conc...
Read the full story at Yonhap EnglishOpen in the live monitor

SEOUL, Oct. 20 (Yonhap) -- The defense ministry on Tuesday expressed "grave conc...
Read the full story at Yonhap EnglishOpen in the live monitor
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