The Supreme People's Procuratorate has made public 12 corruption cases involving prosecutors, vowing to instill discipline with a strong hand.

Wang Yongqiang, a former prosecutor at the procuratorate in Qingdao, Shandong province, was alleged to have trafficked drugs, while Zhou Yong, former head of the office overseeing dereliction of duty at a procuratorate in Wolong district in Nanyang, Henan province, is alleged to have operated a casino.

The top prosecuting department did not provide detailed information about the cases.