Salvatore Lo Piccolo was arrested near Palermo Salvatore Lo Piccolo, who had been at large for 20 years, was apprehended along with his son and two other men near the Sicilian capital, Palermo.
All four men were among Italy's top 30 most wanted Mafia suspects, police officials said.
Mr Lo Piccolo, 65, is believed to have succeeded the Cosa Nostra Mafia's "boss of bosses", Bernardo Provenzano, after he was arrested last year.
Officials say those arrested were Mafia chiefs who exercise immense power over the territory they control
"The Lo Piccolos were two bosses involved in restructuring the Mafia after the arrest of Provenzano and are go-betweens with the American Mafia," AFP news agency quoted Mr Forgione as saying.
"The Lo Piccolos were two bosses involved in restructuring the Mafia after the arrest of Provenzano and are go-betweens with the American Mafia," AFP news agency quoted Mr Forgione as saying.
"Since the arrest of Bernardo Provenzano, the boss of bosses of the so-called Corleonesi Mafia, Salvatore Lo Piccolo was considered the new boss."
Mr Provenzano, who led the Cosa Nostra from the early 1990s, was arrested in April 2006 after being on the run for more than 40 years.
Mr Provenzano, who led the Cosa Nostra from the early 1990s, was arrested in April 2006 after being on the run for more than 40 years.
Mr Lo Piccolo’s History
RISE OF THE BARON
Lo Piccolo began his crime career as a bodyguard for a Sicilian Mafia boss
He is believed to have taken over after Provenzano's arrest in 2000
Magistrates believe he fought for the leadership with Matteo Messina Denaro
Lo Piccolo has been on the run since 1983
Mr Lo Piccolo allegedly began as a bodyguard for a Sicilian gangster and worked his way up through the organisation.
Lo Piccolo began his crime career as a bodyguard for a Sicilian Mafia boss
He is believed to have taken over after Provenzano's arrest in 2000
Magistrates believe he fought for the leadership with Matteo Messina Denaro
Lo Piccolo has been on the run since 1983
Mr Lo Piccolo allegedly began as a bodyguard for a Sicilian gangster and worked his way up through the organisation.
With his son Sandro - who was also arrested - 65-year-old Lo Piccolo has been a major power-broker in Sicily despite having been on the run for nearly 25 years.
Nicknamed The Baron, he is believed by magistrates to have taken over from Bernardo Provenzano, who was the undisputed head of the Sicilian Cosa Nostra from 1995 until his arrest in 2006.
Provenzano had run the Corleone Mafia, which gained supremacy in the 1980s. It hailed from the town of the same name in central Sicily, immortalised as the birthplace of the Marlon Brando character in the film The Godf
After Mr Provenzano's arrest, Mr Lo Piccolo was believed to be among his most likely successors, along with Antonino Rotolo and Matteo Messina Denaro.
Mr Rotolo was arrested in June 2006. Mr Denaro remains at large.
Mr Piccolo's arrest came on the day that Palermo held a day of memory for all victims of the Mafia.
Mr Rotolo was arrested in June 2006. Mr Denaro remains at large.
Mr Piccolo's arrest came on the day that Palermo held a day of memory for all victims of the Mafia.
