What is happening today?published at 10:49 BST
10:49 BST
As happened on Tuesday, the strike is set to begin at midday and last into Friday but significant disruption will occur both in the hours leading up to the walkout and after it.
On Tuesday the Circle line was suspended for the entire time while the Waterloo & City was suspended on Wednesday morning.
Other lines reported part suspensions and severe delays with fewer trains running and it is likely that similar disruption will happen this time round.
Once the strike is over on Friday, it will still take time for the service to recover, with Transport for London (TfL) warning that disruption could last into the evening.
Currently, the Circle line is suspended, while the District and Metropolitan lines have severe delays and minor delays are reported on the Central, Piccadilly and Victoria lines all due to the upcoming strike, according to TfL.
You can see the latest Tube status on TfL’s website, external.
