Keir Starmer has rejected a scathing public attack by a former Nato chief, who accused the Government of a “corrosive complacency” on defence. The Prime Minister is under pressure to publish a long-delayed defence investment plan amid questions about Britain’s military capabilities in a more turbulent world. In an explosive intervention, Lord Robertson, a former Labour defence secretary who co-authored last year's Strategic Defence Review, warned the UK’s security was “in peril” and accused the