2,494 middle-level, senior officials investigated

China's procuratorial agencies nationwide investigated 2,494 officials at county level or above last year for duty-related violations.

In 2012, the procuratorial agencies investigated and handled 33,331 cases of officials' criminal violations related to their performances in office.

A total of 46,024 people were found involved in such cases, according to a document issued at a national conference attended by local procurator chiefs on Thursday.