Britain should push to rejoin the single market because Brexit is the “biggest piece of self-inflicted harm ever done to a country,” says Sadiq Khan.

Plaid Cymru has accused the UK Government of securing “tiny trade deals” as a result of a ‘frenzied dash for glossy headlines’ and is calling for an economic assessment on the impact of post-Brexit trade deals on the Welsh economy.

This opinion covers the impact assessment (IA) for the Retained EU Law (Revocation and Reform) Bill. ... The IA is not fit for purpose (red-rated); the quality of different analytical areas in the IA are all either weak or very weak, meaning that they provide inadequate support for decision-making. The IA was also red-rated on its assessment of the impacts on small and micro businesses.