The Ecclesiastical History of Socrates Scholasticus

About the same time the Arians ejected Gregory from the see of Alexandria, on the ground that he was unpopular and at the same time because he had set a church on fire, and did not manifest sufficient zeal in promoting the interests of their party. They therefore inducted George into his see, who was a native of Cappadocia, and had acquired the reputation of being an able advocate of their tenets.