The announcement came Wednesday midnight, just before China ends a week-long holiday to observe the National Day.
The ruling Communist Party's investigative agency Central Commission of Discipline Inspection (CCDI) said on its website that Su, now the governor of south-western China’s Fujian province, is under investigation on suspicion of “serious violation of discipline,” a euphemism referring to graft in China.
Born in 1962, Su had been working alternatively at China’s top two energy companies China National Petroleum Corporation (CNPC) and Sinopec before being posted as Fujian’s governor in 2011.
He was Sinopec’s chairman between 2007 and 2011, replacing Chen Tonghai who was sacked for allegedly accepting bribes of more than $28 million, and CNPC’s vice president in 2000.
Earlier this year, CCDI also put...
