There was a slight fall in the number of people arrested and the volume of public prosecutions last year but a spike "duty crimes" involving such things as bribery and corruption.

Beijing Municipal People's Procuratorate disclosed the information during its annual review.

The procuratorate said it issued warrants for 20,894 arrests and indicted 26,485 people during 2010. The number of arrests was 6.2 percent less than the previous year. Indictments fell by 3.3 percent.