Nearly all services have been affected due to a second 24-hour strike this week
No Tube service is expected before 08:00 GMT on Friday, TfL says
The first strike on Tuesday resulted in all London Underground lines being hit
About 10,000 London Underground workers from the RMT union have walked out in a dispute is over pensions, jobs and working conditions
Harry Low
BBC London News
Image source, TfLThis map shows which London Underground services are NOT running this morning.
As you can see from the Transport for London graphic, which highlights the parts of the network where there are no trains, almost everywhere in the capital is completely unserved by the Tube.
Rob Oxley
BBC Radio London
It's already looking busier on the main roads in to central London with delays on the A40 coming in to town from Hillingdon; the A13 from Dagenham and northbound at the Blackwall Tunnel.
BBC Radio London has travel updates all day on the hour and at half past.
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Anna O'Neill
BBC Radio London reporter
If they've learnt anything from Tuesday, it's to make sure they've got another way of getting into wherever it is they're going. A lot of people turned up on Tuesday completely surprised that there was a Tube strike.
At this time in the morning, a lot of the people that are here are not first language English speakers and perhaps they hadn't seen the news to know that there was a strike.
Now they will know they need to find alternative modes of transport and central London, according to my taxi driver, was a nightmare to drive in. He hadn't seen it like it since the 1980s.
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Anna O'Neill
BBC Radio London reporter
It was pretty difficult yesterday... It will be pretty difficult today again.
Outside Stratford station, I can see into the bus station. There's a very crowded number 25 bus and massive crowd of people still trying to get on it.
Thank goodness it's not raining.
Harry Low
BBC London News
Image source, TfLThere is currently no service on all but one London Underground line, according to Transport for London (TfL).
There are shuttle services on the eastern and western branches of the Central line at present with no services between White City and Leytonstone.
London Overground is running a reduced service, the DLR is part-suspended but TfL rail and tram services are running as usual.
Chirag Trivedi
BBC News
Good morning and welcome to our live page covering the second 24-hour Tube strike this week.
As with Tuesday's walkout we expect there will be widespread disruption affecting all lines.
About 10,000 workers from the Rail, Maritime and Transport (RMT) Union began the action at midnight in a dispute over plans to cut up to 600 station posts, as well as concerns over pensions and working conditions.
We'll bring you the latest travel information, reaction and updates throughout the day.