The country's political crisis obscures the fact that South Korea's foreign policy is about to change drastically, writes Ian Bremmer.
They come from large speakers positioned on North Korea's side of the demilitarised zone, just under two kilometres away.
Pyongyang will provide more troops to Russia, who will be deployed to the Kursk region, according to South Korea's intelligence agency.
Kyrylo Budanov said Russian use helped to modify the KN-23, one of North Korea's newest ballistic missiles, to fix poor accuracy issues.
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