BEIJING, Sept. 15 (Xinhua) -- Zhang Yujun, assistant chairman of China Securities Regulatory Commission, is being investigated for corruption, the Supreme People's Procuratorate (SPP) announced Friday.

Zhang has been put under "coercive measures," which may include summons by force, bail, residential surveillance, detention and arrest. The SPP did not specify which measures had been taken.

He was expelled from the Communist Party of China (CPC) and dismissed from public office for multiple offenses, including abuse of power to allow his relatives to seek a significant illicit benefits, the CPC Central Commission for Discipline Inspection (CCDI) said in a statement on July 21.

The CCDI said that as a senior official of the CPC, Zhang had disturbed capital market order and damaged the image of the securities regulator.