 Cyril took charge of the First Council of Ephesus in 431, opening debate before the long-overdue contingent of Eastern bishops from Antioch arrived.The council deposed Nestorius and declared him a heretic.In Nestorius' own words,

When the followers of Cyril saw the vehemence of the emperor... they roused up a disturbance and discord among the people with an outcry, as though the emperor were opposed to God; they rose up against the nobles and the chiefs who acquiesced not in what had been done by them and they were running hither and thither.