Italian police have made 37 arrests and searched the home of Rome's former mayor Gianni Alemanno in a major anti-Mafia operation.
Police seized documents at local government offices in the capital Rome and surrounding Lazio region.
Mr Alemanno, a former right-wing ally of ex-Prime Minister Silvio Berlusconi, is among 100 suspects in the corruption investigation, Italian media report.
Fraud and money-laundering is suspected in connection with public works.
Police also seized assets worth 200m euros (£159m; $258m) in the operation.
Among those arrested on Tuesday was Massimo Carminati, a former member of an outlawed far-right group called NAR (the Armed Revolutionary Nuclei).
NAR members were implicated in the notorious bombing of Bologna train station in 1980, which killed 85 people.