Sadiq Khan says his team is ready to run strike-hit Southern rail

London mayor calls for Chris Grayling to give TfL responsibility for suburban rail services and stop ‘playing party politics’The London mayor, Sadiq Khan, has said his team could go in this week to tackle the Southern rail strike if the government stopped “playing politics” and gave Transport for London (TfL) responsibility for commuter services.Pleading with the government on behalf of commuters and London businesses, Khan said: “My message to the government is let