"Filing a complaint at the ICC is a good move for the whole world to know that crimes against humanity, seemingly sanctioned by the government, are being committed in this Christian country," said Bishop Bastes.
The polarizing campaign gave hard-line Islamic groups a national stage and has undermined Indonesia's reputation for practicing a moderate form of Islam.
Father Ignatius Rai, pastor of the cathedral parish, said "unknown persons" broke into the church premises and started a fire that partially damaged the priest's residence and the western part of the church.