version oct. 25 story correct story change name emilio lozoya paragraph three mexico city prosecutor lead investigation graft scandal involve campaign mexican president enrique pena nieto say wednesday fire without justification senate prepare vote whether reinstate mexico act attorney general fire santiago nieto attorney general election-related crimes last week ground break code conduct summary dismissal come days explosive interview newspaper reforma nieto accuse emilio lozoya former boss state oil firm pemex senior member pena nieto 2012 campaign team write ask declare innocent funnel odebrecht cash president campaign brazilian construction firm odebrecht heart brazilian bribery kickback probe know lava jato car wash reverberate across latin america javier coello trejo lozoya lawyer say wednesday file two criminal complaints nieto allege former prosecutor violate laws govern criminal proceed broadcaster televisa report nieto fire anger opposition politicians even threaten delay discussions among lawmakers next year budget wednesday television interview nieto deny break rule reveal sensitive information violate code ethics say nieto lead probe target lozoya president campaign senate due vote come days whether reinstate nieto still clear vote public sign temper fray issue opposition lawmakers promise delay vote 2018 budget nieto case resolve dispute complicate efforts shake graft allegations could hurt rule institutional revolutionary party pri ahead next year presidential election nieto could reach immediately comment wednesday president lozoya close ally previously deny involvement wrongdoing relate 2012 campaign mindful corruption become key issue 2018 election pri oversee arrest various former state governors lozoya pose difficult challenge give proximity president opposition lawmakers also criticize decision senate governance body hold nieto vote private vow appeal rule mexican prosecutor say unjustly fire graft dispute brew