beijing former head china powerful internet regulator investigation suspect corruption rule communist party say late senior official catch sweep campaign graft lu wei suspect serious discipline breach party corruption-busting central commission discipline inspection ccdi say brief statement late tuesday use euphemism graft reuters unable reach lu representative seek comment height influence lu colorful often brash official chinese standards see emblematic china increasingly pervasive internet control organizers china first world internet conference 2014 set lu promote beijing vision internet governance irk foreign tech firm seek agreement last-minute declaration internet sovereignty tech industry representatives ultimately decline sign pledge right group condemn declaration attempt undermine internet freedom 2015 tell reporters indeed welcome make money china occupy china market even slander china people kinds websites definitely allow house court china powerful internet regulator cyberspace administration china key task company hop stay good grace gain access huge internet market lu visit facebook inc u.s. campus 2014 mark zuckerberg founder social network site long block china greet lu mandarin accord chinese government website lu downfall foreshadow june 2016 replacement head internet regulator loss post unlikely signal reversal internet control policies tighten successor xu lin separate statement website wednesday ccdi emphasize significance lu first tiger senior official bring heel corruption since key 19th communist party congress hold last month say lu cyberspace administration carry president xi jinping instructions timely resolute fashion improper use power occur occasion safeguard political security strong enough say without elaborate lu specific wrongdoings lu work way though china official xinhua news agency become head propaganda beijing move internet work 2013. become deputy propaganda minister replace internet regulator government block sit deem could challenge communist party rule threaten stability include sit facebook google main search engine gmail service xi wag war deep-rooted corruption since take office five years ago punish hundreds thousands officials china probe former chief internet regulator suspect graft