Brexit-supporting Conservative backbenchers have forced the government to accept a series of amendments to its cross-border trade bill that appear to significantly alter the Brexit deal struck by the cabinet at Chequers.
Theresa May claimed the Chequers agreement had not been changed, but the climbdown has prompted a furious row across Conservative benches.
Tory Remainers claimed the government was being held to ransom by 40 MPs and that Jacob Rees-Mogg appeared to be running the country rather than the Prime Minister.
We talk to former Attorney General and Remainer, Dominic Grieve.