Boris Johnson wants domestic Covid passports in place by June 21 – but faces the prospect of an embarrassing Commons defeat after promising Tory rebels a vote on their introduction.
Michael Gove is said to have made the offer to furious backbenchers appalled at the idea of forcing Britons to prove their vaccination status to enter pubs and other social hubs.
Boris Johnson wants the scheme to be up and running for June 21, when the last social distancing measures are expected to be swept away.