Ecclesiastical History, A History of the Church in 5
Books from A.D.322 to the Death of Theodore of Mopsuestia, A.D.427
By Theodoretus (Bishop of Cyrus)
Chapter XXVI
The monk Telemachus jumped into the arena (presumed the colosseum) to
stop the fighting. He was subsequently stoned by the audience. However,
his display moved the emperor to abolish the games.