Calls for Lee Wan-koo to resign began after South Korean tycoon Sung Woan-jong was found hanging from a tree in Seoul . The billionaire businessman had been under investigation by the country's financial regulator over allegations he embezzled millions of dollars and evaded taxes on his real estate empire.
Calls for Lee Wan-koo to resign began after South Korean tycoon Sung Woan-jong was found hanging from a tree in Seoul . Sung , who was under investigation for fraud and bribery , left a note listing names and amounts of cash given to top officials .