BEIJING -- Huang Xingguo, former acting Party chief and mayor of Tianjin Municipality, is under investigation on suspicion of accepting bribes, the Supreme People's Procuratorate (SPP) announced on Sunday.

The SPP said Huang has been placed under "coercive measures," which may include summons by force, bail, residential surveillance, detention and arrest.

Investigation into his case is currently under way, according to the SPP.