cape town/johannesburg thousands south africans march anti-corruption protest wednesday rally cry scandal-plagued president jacob zuma powerful ally three months new anc leader choose african national congress pick next leader december deputy president cyril ramaphosa expect face nkosazana dlamini-zuma former chair african union zuma ex-wife congress south african trade unions cosatu back ramaphosa operate alliance anc lead march major cities across south africa though demonstrations suppose corruption become apparent protesters come vent anger zuma throw support behind rival throng protesters march parliament cape town sing songs wave zuma must go placard although crowd never get close tens thousands promise cosatu things go president zuma textile worker florence titus tell reuters need play president role fill pocket family pocket must step senior members anc also call zuma quit recent months follow swell allegations friends gupta family wield undue influence award state contract worth hundreds millions dollars guptas zuma deny wrongdoing say victims politically-motivated witchhunt zuma survive attempt parliament force office august leave politically wound anc members back opposition no-confidence motion remain head state parliamentary election 2019 although next anc leader could edge next year allegations widespread corruption raid taxpayer fund outside interest know locally state capture dent investor confidence economy fell recession early 2017. march state capture fight guptas take money ongeziwe sisilana 26 year old teacher say walk around two thousand others downtown johannesburg sisilana hold sign read state capture criminal offense relax crowd swig beer can idle police cordons watch ramaphosa camp prioritize fight corruption boost economic growth win back trust supporters become disillusion party zuma zuma faction back powerful patronage network likely throw weight behind dlamini-zuma although candidates could still come contention wednesday series march protest target corruption state capture also target mr zuma succession faction anc say gary van staden political analyst nkc research analysts say opposition coalition could unseat anc next election unthinkable scenario years ago party lead comfortably since sweep power nelson mandela end apartheid 1994. south africa anti-zuma protest harden anc succession divide