Victim found tied up naked in Villa Borghese.
A police investigation is underway after a 57-year-old German woman was raped in Rome's central Villa Borghese park in the early hours of 18 September.
The victim was found tied to a pole, gagged and naked, by a passing taxi driver who freed her and alerted police.
The woman, of no fixed abode, has been in Italy for six months and is now recovering in a Rome hospital. Police are currently hunting for her attacker who is believed to be aged around 20.
The case follows a series of sexual assaults against foreign women in the capital.