 Olav Engelbrektsson fled the country, bishops Hoskuld Hoskuldsson and Mogens Lauritssøn were arrested, other supporters were punished and the Catholic Church in Norway and the Council of the Realm were abolished.In March 1544 Frederick succeeded his brother Louis V as Prince-elector of the Palatinate.He introduced the Protestant Reformation and was therefore outlawed by Emperor Charles V until Frederick submitted.