The nation's top anti-graft watchdog is determined to stamp out illegal activities among officials, as Zhang Yan reports.

For the past five years, the battle against corruption has been a top priority, with disciplinary watchdogs at all levels investigating and apprehending rogue Party officials.

Since the campaign was launched by President Xi Jinping in 2012, more than 280 officials at the ministerial and provincial levels, or higher, have been investigated over allegations of "serious violations of Party discipline", a common euphemism for corruption.