Last July , relations went into a deep freeze , after North Korea protested South Korea 's airlift to Seoul of about 460 North Korean defectors stranded in Vietnam .
Seoul
South Korea
/location/administrative_division/country
South Korea
Seoul
/location/country/administrative_divisions
South Korea
Seoul
/location/country/capital
South Korea
Seoul
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LOCATION
North Korea
LOCATION
South Korea
LOCATION
Seoul
LOCATION
Vietnam