Over 70-year period
Pope Francis says it's "with sorrow" he's learnt about the content of a major investigation into child sexual abuse, within the French Catholic Church.
A report estimates that over the past 70 years, there has been approximately 330,000 victims.
Olivier Savignac was abused in 1993 when he was 13, and contributed to the report.
He says the Church must compensate victims properly: