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Almost a million commuters and visitors in London faced disruption on Friday 22 August because of a strike on two Tube lines.
No services ran on the Waterloo and City Line or through central London on the Central Line because of a 24-hour walkout by members of the Aslef union.
Extra buses were put on and Transport for London "ambassadors and volunteers" were on hand to give information to travellers.
Nigel Holness, operations director for London Underground, said: "Despite some progress being made during talks, Aslef leadership have decided to press ahead with this unnecessary strike action and disrupt customers journeys.
"Our staff and volunteers are working hard to keep London moving and I would advise our customers where possible, please plan ahead and check before you travel."
Finn Brennan, of Aslef, said the strike was being "solidly supported", adding: "This dispute has been brought about by management intransigence on a range of issues, but at its heart is management's refusal to treat drivers with the respect and dignity they deserve at work.
"Our members will not tolerate a situation where vulnerable people leave sickness review meetings in tears and drivers with years of good and long service are threatened with disciplinary action for a delay of 33 seconds in leaving a terminus."
A further strike is planned for next month if the dispute is not resolved.