Boris Johnson ambushed by DUP over halt to Northern Ireland Brexit checks

Freight and goods lorries disembark in Northern Ireland from the Cairnryan to Larne ferry. Photograph: Charles McQuillan/Getty Images

Boris Johnson has been ambushed by the Democratic Unionist party over its order to local border officials to halt all Brexit checks on food and farm products in Northern Ireland ports.

The unilateral move by the Stormont agriculture minister, Edwin Poots, has set the UK on a new collision course with Brussels.