beijing prominent chinese general investigation corruption commit suicide state media say tuesday late development sweep anti-graft campaign shake arm force zhang yang former member powerful central military commission cmc investigate link disgrace general guo boxiong xu caihou official xinhua news agency say investigation zhang 66 verify gravely violate discipline suspect give take bribe origin huge amount assets unclear xinhua say cite commission afternoon nov. 23 zhang yang hang home agency say suicide officer hold senior post rare though experts say frequency officials various level government take live may increase result intensity corruption crackdown since president xi jinping take power five years ago commentary carry defense ministry military official websites say cmc decide aug. 28 investigate zhang lose moral bottom line use suicide mean escape punishment party country extremely abominable act former general high position great power use shameful way end life commentary say would exhort loyalty corrupt behind others back typical two-faced person say source tell reuters zhang serve director military political work department subject investigation government announce zhang downfall foreshadow september fail make list 303 military delegate rule communist party key five-yearly congress along fellow cmc member fang fenghui men replace congress hold last month part sweep military leadership reshuffle xi install trust ally key position china military world large undergo ambitious modernization campaign important focus xi deep-seated fight corruption serve retire officer say graft arm force pervasive could undermine china ability wage war dozens officer investigate jail include xu guo former vice chairmen commission xi head xu run political work department charge imbue political think make military personnel decisions along guo accuse take bribe exchange promotions guo jail life last year xu die cancer 2015 could face trial chinese general kill amid corruption probe