N. Korea seals nuclear test tunnel: Seoul official
Seoul (AFP) April 24, 2014 - North Korea has apparently sealed a tunnel at its nuclear test site, a government official said Thursday ahead of US President Barack Obama's arrival in Seoul for a two-day visit. South Korea's defence ministry warned earlier this week that the North could be preparing to carry out a fourth nuclear test, citing increased activity at the Punggye-ri site. "It is believed that North Korea h ... more

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