Political editor David Maddox explains why Dan Jarvis could end up being for Labour what former defence secretary Ben Wallace was for the Tories

Runners and riders include a former marine, the son of a Royal Navy submariner and a long-time Labour insider

Dan Jarvis, a former army officer and the Labour MP for Barnsley North, has since taken over as defence secretary. #EuropeNews

John Healey quit over defence spending concerns

Dan Jarvis faces claims UK is not prepared for war