Peers including the Archbishop of Canterbury are set to publicly savage the Tories' controversial illegal migration bill as it faces its first test in the House of Lords.
Justin Welby - fresh from his central role in the King's Coronation ceremony - will reportedly condemn proposals to give ministers powers to deport asylum seekers crossing the Channel.
The head of the Church of England has previously slammed the Government's plans to send those seeking asylum to Rwanda, saying the policy did not stand the "judgement of God".
