The only Church of England bishop to publicly demand the resignation of former Archbishop of Canterbury Justin Welby says his departure wasn't enough to solve the church's "profound failure" in safeguarding vulnerable people or ease the trauma suffered by victims of abuse.

The fallout following the resignation of the Archbishop of Canterbury over the church's coverup of abuse by John Smyth has reached South Africa, where Archbishop Thabo Makgoba has been criticised for his response.

Archbishop of Canterbury Justin Welby, the most senior leader in the Church of England, has resigned over his handling of a child abuse case, according to his official account.