jakarta speaker indonesia parliament investigate suspect involvement 170 million graft scandal tender resignation two members assembly say monday setya novanto arrest last month suspect role scandal link national electronic identity card scheme anti-corruption investigators take custody send letter assembly leaders plead allow keep job fight charge mr novanto resign member parliament yandri susanto tell reuters refer letter novanto announce decision say replacement speaker expect decide party golkar extraordinary meet dec. 19 say dito ganinduto member parliament novanto golkar party novanto resign chairman golkar ganinduto say lawyer novanto maqdir ismail defer question matter act golkar chairman idrus marham marham could reach comment novanto cling power several previous corruption case late battle graft agency grip indonesia newspapers splash story front page social media post mock widely share detention last month months decline answer summons question corruption eradication commission know indonesian initial kpk allegations novanto reinforce perception among indonesians parliament long regard riddle entrench corruption fail institution indonesia rank last year 90 176 countries transparency international corruption perception index watchdog single parliament indonesia corrupt institution july call president joko widodo protect kpk attempt legislature weaken commission power critics inside outside parliament say root problem money politics indonesian parliament speaker quit amid graft investigation