Brazil's top prosecutor requests arrests of key politicians
Brazil's top prosecutor has asked the country's highest court to arrest senior politicians for allegedly obstructing a corruption investigation into state oil company Petrobras, according to a leading newspaper.
Senate president Renan Calheiros is one of several reportedly being sought by prosecutor Rodrigo Janot.
He called the request "disproportional and abusive" in a statement.
The O Globo daily reported that Mr Janot also requested the arrests of former president Jose Sarney, lower house speaker Eduardo Cunha and senator Romero Juca, who was briefly planning minister for interim president Michel Temer.
The newspaper said all three denied obstructing the investigation.
A decision on the arrests will be made by Supreme Federal Tribunal Justice Teori Zavascki.
Only the high court can decide to arrest or try federal politicians.