Keir Starmer will promise to make the UK’s nuclear deterrent the “bedrock” of his security plan to keep Britain safe.
On Friday he will become the first Labour leader in 30 years to visit Barrow-in-Furness, Cumbria, where nuclear submarines are being built. He will be joined by the Australian high commissioner to the UK, Stephen Smith, and the shadow defence secretary, John Healey.
Starmer is expected to say a Labour government would use…