Officials under investigation

Case 1: One senior official in Southwest China's Chongqing municipality has been investigated for graft, according to the CPC Central Commission for Discipline Inspection on Monday. Fan Sailong, former deputy director of Yubei district, also the director of Airport New Town Management in Chongqing, was said to have used his position to gain benefits for others and colluded with others to accept bribes, according to the CCDI. He was also accused of offering bribes to other officials for business investment. He has been expelled from the Party and removed from his post, it said.

Case 2: Zheng Xiaoyong, former president of Civil Aviation Flight University of China, has been placed under investigation for "serious violation of Party rules", a phrase that usually refers to graft, according to the CCDI on Monday. Wu Xuyong, vice-head at the university, and Liu Hongyuan, the deputy chief accountant, have also been probed for graft.

Case 3: Niu Min, former head of Chengdu People's Intermediate Court in Sichuan province, has been investigated for graft issues, according to the Beijing-based online Caixin business report on Monday. Niu, 52, was taken by local prosecutors on Sunday for alleged corruption. From 1997 to 2007, he served as the deputy Party chief in Dujiangyan city, vice-secretary in Shuangliu county and head of Xindu district of Chengdu. Then he became president of Chengdu People's Intermediate Court. In early December, his wife and the director of the audit bureau in Dujiangyan city were taken away for interrogation.