Passengers face travel chaos from this evening because of a strike by thousands of workers in a dispute over jobs and ticket office closures. Millions of commuters are facing disruption in London Today. Tube staff walked out at 18:00 on Sunday in a dispute over ticket office closures. Mayor Sadiq Khan has criticised the action. Stations are congested and overcrowded, at Clapham Junction as it was evacuated due to overcrowding.