A man walks past the headquarters of Korea Development Bank (KDB) in Seoul September 4, 2008. A lifeline from South Korea for troubled investment bank Lehman Brothers appeared in doubt on Wednesday as the bank leading the plan said nothing had been decided, and other lenders denied interest in taking part. State-controlled KDB is in talks with Lehman over a possible joint investment with other Korean banks, but said it was still unsure whether there would be a deal. REUTERS/Jo Yong-Hak (SOUTH KOREA)