Source:
Associated Press SEOUL, South Korea (AP) -- North Korea threatened Wednesday to block cross-border traffic and blow up any South Korean loudspeakers blasting propaganda northward as tensions soared over the sinking of a South Korean warship.
The dramatic deterioration in relations came as U.S. Secretary of State Hillary Rodham Clinton visited Seoul at the end of a three-nation Asian tour that was dominated by the March 26 sinking blamed on a North Korean torpedo attack.
"This was an unacceptable provocation by North Korea, and the international community has a responsibility and a duty to respond," Clinton told reporters after talks with South Korean leaders.
A team of international investigators concluded last week that a torpedo from a North Korean submarine tore apart the 1,200-ton Cheonan off the west coast, killing 46 South Korean sailors.
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