Would-be mayor Dan Jarvis must now quit as MP

Labour MP Dan Jarvis, once seen as a rising star and tipped as a potential party leader, will have to quit Parliament within weeks after being selected as a mayoral candidate in South Yorkshire.A former major in the Parachute Regiment and MP for Barnsley Central since 2011, Mr Jarvis has been selected as Labour's candidate to fight the new post of mayor of the Sheffield City Region.