Ministers know this and the Chief of the Defence Staff reminded them in his remarks to the House of Lords committee.

James Cartlidge was also asked whether the Conservatives’ plans for defence spending add up and Suella Braverman was quizzed on Reform's plans to scrap the Equality Act.

The PM’s ability to manage international relations has previously been his strength - but the question hanging over this G7 summit is whether that remains for Starmer when his…