lima four former current executives peruvian construction company detain pending trial monday accuse collude brazilian builder odebrecht odbes.ul bribe former president judge richard concepcion order men deny wrongdoing hold pre-trial jail ensure flee obstruct law prosecutors prepare criminal charge decision mark first time executives major peruvian company jail car wash scandal brazil largest-ever corruption probe widen include latin american countries odebrecht admit bribe local officials 12 countries secure public work contract course decade promise authorities would provide detail prosecutor hamilton castro accuse jose alejandro grana hernando alejandro grana head peru big construction group grana montero fernando gonzalo jose fernando castillo work two private contractors provide 15 million 20 million bribe odebrecht pay money pay ex-president alejandro toledo secure highway contract company partner together decade ago disguise company book cost additional risk cover odebrecht castro say court hear judge also order gonzalo ferraro former grana montero manager local hospital place house arrest five men deny wrongdoing appeal judge rule say ferraro attorney roger yon grana montero two private company jjc contratistas general ingenieros civiles contratistas general decline comment three company previously deny know take part odebrecht bribe grana montero u.s.-listed share close 6.9 percent low monday corruption probe shake local construction sector government prepare award nearly billion contract rebuild infrastructure house destroy flood president pedro pablo kuczynski serve toledo cabinet highway contract award say know nothing allege bribe toledo toledo order pre-trial detention february deny take bribe odebrecht peru seek extradition unite state second former president ollanta humala pre-trial detention since july deny allegations take illicit fund odebrecht construction executives detain peru graft probe