Police have arrested 18 in investigation of corruption at Petrobras, he state-owned oil company.  A former direvctor and several members of a constrution company and engineering companies that did business with Petrobras were arrested.

They had made deals to inflate the cost of contracts and divert monies to poitical parties including the Worker’s Party of President Dilma Rousseff.

In the US there are investigations into some securities of Petrobras that are traded in New York