David Davis will suggest that EU officials could be allowed in British ports to check goods travelling to Northern Ireland

Conservative Eurosceptics have abandoned their plan to publish an alternative Chequers blueprint.

Tory members of the European Research Group had been due to put their names to a single document setting out their own proposals for a limited Brexit deal with the European Union.

The plan was shelved amid divisions over strategy and fears among some MPs that it would provide ammunition for Downing Street and pro-European groups to attack their proposals.

The group is instead planning a programme of events, starting with a speech on Wednesday by David Davis, the former Brexit secretary.

Mr Davis is expected to criticise the government’s approach to the Northern Irish backstop and will suggest that EU officials could be allowed in UK ports to inspect goods travelling to