Brazilian police said on Monday they were looking into possible bribes paid in contracts signed by state-run oil company Petrobras and shipbuilder Sete Brasil with Singapore’s Keppel Fels.

Federal police carried out a fresh wave of searches and arrests on Monday in the ongoing “Operations Car Wash” corruption investigation that started nearly two years ago.

Brazilian engineering giant Odebrecht, one of the main companies at the center of the scandal, said its offices in Sao Paulo, Rio de Janeiro and in Bahia were sear