The chief prosecutor in The Vatican says there were two cases of possession of child pornography within its own walls last year.

The Catholic Church has been hit by scandal involving the sexual abuse of children by priests around the world in the past decade.

Pope Francis has said there would be zero tolerance for offenders.

The 50-page document was read to Vatican officials at a ceremony marking the start of the judicial year for the city state.

The report comes just two weeks after record crowds turned out to see the Pope deliver a mass in the Philippines.

An estimated six million worshippers attended the event in Manila's main park and surrounding areas, making it the largest ever papal gathering.

The turnout easily surpassed the previous record of five million for a mass by John Paul II at the same venue in 1995.

Philippine authorities mounted one of their biggest ever security operations - deploying some 40,000 soldiers and police.

He also drew an estimated 200,000 people to Manila's Catholic university, where he came close to tears hearing two rescued street children speak of the hardship they had faced.

The Pope's five-day visit to the Philippines followed two days in Sri Lanka.