sentences:  Miles' hostility drove Bethune from his diocese, and Miles was in control of Hereford in 1140, leaving Bethune to perform his episcopal duties in Shropshire.During this time, Bethune assisted Theobald of Bec, the new Archbishop of Canterbury, in consecrating Maurice as Bishop of Bangor.Bethune had earlier persuaded the bishop-elect to swear fealty to King Stephen, after Maurice had originally refused.