Silvio Berlusconi assaulted in Milan

Silvio Berlusconi (C) leaves the San Raffaele hospital in Milan December 17, 2009. Berlusconi was discharged from hospital on Thursday, four days after an attack which left him with a fractured nose and broken teeth. Photograph: Giampiero Sposito/guardian.co.uk

Italy's Prime Minister Silvio Berlusconi leaves the San Raffaele hospital in Milan Photograph: Giampiero Sposito/guardian.co.uk

Italian Prime Minister Silvio Berlusconi (C) waves at supporters during a People for Liberty party (PDL) meeting in Milan just before being assaulted by a man. Photograph: Giuseppe Aresu/guardian.co.uk

Italian Premier Silvio Berlusconi being struck in the face by a statuette hurled by an attacker at the end of a rally in Milan Photograph: Livio Anticoli/guardian.co.uk

Massimo Tartaglia, 42, who Italian police said was suspected of attacking Italian Premier Silvio Berlusconi Photograph: Livio Anticoli/guardian.co.uk

In this TV Grab Picture taken from the RAI24 News channel, shows Italian President Silvio Berlusconi looking on after being assaulted in Milan on December 13, 2009. Photograph: HO/guardian.co.uk

Image shows Italian Premier Silvio Berlusconi after he was punched in the face at the end of a rally in Milan, Italy on Sunday Dec. 13, 2009 by a man holding a small statue in his hand, leaving the 73-year-old media mogul with a bloodied mouth and looking stunned Photograph: Livio Anticoli/guardian.co.uk

Berlusconi after the attack Photograph: Livio Anticoli/guardian.co.uk

Italian Prime Minister Silvio Berlusconi sits in his car, after a young man struck him in the face in a Milan square, witnesses and police said on Sunday 13 december 2009. Photograph: Antonio Bellavia / Matteo Bazzi/guardian.co.uk

Silvio Berlusconi a fter being struck in the face at the end of a rally in Milan, Italy on Sunday Dec. 13, 2009 leaving the 73-year-old media mogul with a bloodied mouth and looking stunned. (AP Photo/RAI TG3 via APTN) ** ITALY OUT ** Photograph: RAI TG3/guardian.co.uk

TV Grab taken from the RAI24 News channel, shows Italian President Silvio Berlusconi looking on after being assaulted in Milan Photograph: HO/guardian.co.uk

Policemen stand guard in front of San Raffaele hospitalin Milan where Italian Prime Minister Silvio Berlusconi is hospitalized. Photograph: Damien Meyer/guardian.co.uk