If you, or someone in your family, commutes to London - long delays are expected over the next two days because of another tube strike. The 48-hour walk-out by staff will start at nine o'clock tonight.
The industrial action is over plans to close ticket offices with the loss of a thousand jobs. So what will the impact be on travellers from the South? Here's David Wood.
For more information on how your journey to and from London may be affected you can visit the Transport for London website.
For live status alerts on social media you can follow: @TfLTRavelAlerts
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