 Patriarch Michael I Cerularius of Constantinople, through Leo of Ohrid, Archbishop of Bulgaria, wrote to the pope denouncing the use of unleavened bread and fasting days in the Latin church.and afterwards closed down the Latin rite churches of Constantinople and stopped remembrance for the pope in the diptychs and wrote letters to the other patriarchs against the pope.He was denounced by the patriarch of Antioch, Peter III, for trying to incite schism within the church.