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And local media are speculating that the replacement for foreign minister Yu Myung-hwan could be Kim Sung-hwan.
Since June, 2008, Kim has been Senior Secretary to the President for Foreign Affairs and National Security.
Media reports suggest he is the best candidate to take over the job, as the country prepares for the annual session of the UN General Assembly this month and the G-20 Summit in Seoul in November.
- S Korean FM offers resignation 2010-09-04