Bo Xilai, then Governor of Liaoning Province, gestures as he delivers a speech at the China Entrepreneur Annual Meeting in Beijing, in this December 7, 2003 file photo. Disgraced former senior Chinese leader Bo is refusing to cooperate with a government investigation into him and has staged hunger strikes in protest and at one point was treated in hospital, sources with knowledge of the matter said. To match story CHINA-POLITICS/BO REUTERS/Jason Lee/Files