Bo will no longer serve as secretary, standing committee member or member of the CPC Chongqing municipal committee, according to the decision.

Bo, born in July 1949, became mayor of Dalian, Liaoning province, in 1993. He served as governor of Liaoning and minister of commerce before being appointed Party chief of Chongqing in 2007.

Related: Chongqing vice-mayor dismissed

The decision was announced by Li Yuanchao, head of the Organization Department of the CPC Central Committee, at a meeting of officials in Chongqing on Thursday.

Li said the CPC Central Committee made the decision after discreet consideration and based on current circumstances and the overall situation.

Zhang delivered a speech at the meeting of Chongqing officials.

Zhang, born in November 1946, is a native of Tai'an, Liaoning province. He became a member of the Political Bureau of the CPC Central Committee in 2002 and began serving as vice premier of the State Council, China's Cabinet, from 2008.

Zhang had previously served as Party chief in Jilin, Zhejiang and Guangdong provinces, respectively, between 1995 and 2007.

Bo, born in July 1949, became mayor of Dalian, Liaoning province, in 1993. He served as governor of Liaoning and minister of commerce before being appointed Party chief of Chongqing in 2007.