Boris Johnson warned NI protocol ‘rule-breaking’ will repeat mistakes of Partygate

Tory tensions high over risk of illegality in imminent bill to improve trade between Northern Ireland and rest of UK

Boris Johnson is being warned that he will repeat the mistakes of Partygate by backing rule-breaking over the rule of law", when he publishes plans on Monday that are expected to prompt a new Tory rebellion over Brexit.

Frantic legal and political negotiations have been taking place this week among Johnson, his cabinet and MPs in advance of the government's bill designed to improve trade between Northern Ireland and the rest of the UK. The legislation will be published on Monday.