Commuters face fresh travel chaos on Friday as strike action affects the Tube, London Overground and some bus services. Around 10,000 members of the RMT union are staging a 24-hour walkout in an ongoing dispute over jobs and pensions, while 1,100 members of Unite union are striking on the Underground, Croydon Tramlink, and Victoria coach station. In addition, 400 London Overground workers employed by Arriva Rail London are separately engaging in a walkout today, as are bus drivers working for United London, affecting 57 routes through west and south-west London and parts of Surrey.