Pope Benedict’s butler is being formally investigated over allegations he leaked highly sensitive information to the Italian media.
Paolo Gabriele is being detained by Vatican police on suspicion of illegally possessing secret documents.
If convicted, he faces up to 30 years in jail.
The scandal, dubbed ‘Vatileaks,’ involves the leaking of material to the media in January and February.
Some of the documents alleged corruption and mismanagement in the awarding of contracts for work in the Vatican.