London Underground workers will walk out after 9pm in a row over plans to close ticket offices and return to work on Wednesday night.

Last week, Prime Minister David Cameron tweeted his disgust at the strike.

“Next week’s Tube strike is unjustified and unacceptable. It will hit millions of families across the capital and cause chaos for businesses,” he said.

Transport for London says it plans to run as many services as possible and will put on extra buses, but warned there will be disruption from Monday evening, with central areas worst affected. 

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