Jamie Whitehead
Live editor

Image source, EPA

Transport for London (TfL) has apologised to passengers for a “difficult” day as members of the RMT union took strike action in a dispute over plans for a 35-hour, four-day week for drivers.

Services have been disrupted all day. Some Tube lines have had no trains running, others have suffered from delays and suspensions of services.

The RMT launched its strike action after accusing TfL of failing to "provide assurances" over concerns about longer working hours and driver safety.

Mayor of London Sadiq Khan has urged both TfL and the RMT to hold more talks before another planned walkout on Thursday. In response to Khan’s comments on BBC London, the RMT posted on X saying it “remain[ed] available for meaningful talks” to resolve the strike.

Another 24-hour strike is currently scheduled from 00:01 to 23:59 BST on Thursday.

TfL is also advising anyone needing to use the Tube this evening should complete their journeys by 21:00 tonight.

We are bringing our live coverage to an end now, but you can read more in our news story.

Alison Earle
BBC London News, at Bond Street

There’s been a steady stream of people heading through Bond Street station where the Jubilee and Elizabeth lines are both running. Several people I spoke to here said the strike hasn’t affected them today as so many trains are running.

Some commuters pointed out they’ve been more impacted by the weather than the strikes.

I’ve spoken to one man who tells me it had forced him to take a different route to work which turned out to be quicker, so he’ll be going that way from now on. But Oxford Street is noticeably quieter than usual, though. Footfall appears to be down. So, there are signs that these walkouts are starting to have an impact on behaviour.

Dan Woodland
Live reporter, at London Victoria Station

Commuters are continuing to flock into London Victoria. One of them is Malis, 29, who travelled out to Homerton in the east of the capital and back with relatively no trouble. She says she is “all for” people striking for their jobs but tells me she has just “noticed how bad the congestion has been”.

“I don't know what Thursday is going to look like, though. I'm nervous,” she adds.

Image source, Getty Images

The RMT union called for strike action this week when it rejected an offer from TfL for Tube drivers to voluntarily work a four-day week.

Under the proposals, most drivers would see their working week reduced from 36 hours to 35. Their contractual hours would remain the same because paid meal breaks would be introduced.

This effectively means drivers would work longer days, but fewer days each week and fewer overall hours each week.

The arrangement is currently being trialled on the Bakerloo line on a voluntary basis to test its viability.

The RMT union said the working day would be too long under the plans, risking driver fatigue and compromising safety.

The union instead wants a 32-hour week over four days, meaning drivers would work three fewer hours each week for the same salary.

TfL said drivers could remain on a five-day week if they wanted to, pointing out that the change was voluntary.

After London Mayor Sadiq Khan called for the RMT union and TfL to negotiate, the RMT said it “remain[s] available for meaningful talks" to resolve the strike.

Harry Low
BBC London News

Nearly 1.8 million Oyster and contactless taps were measured on the Tube network before 10:00 BST this morning.

That’s around 86 per cent of the equivalent day last year, according to data released by TfL earlier.

Other services also saw changes in their daily usage as a result of the Tube strikes. All the data below is compared to the equivalent day last year.

• London Underground: down 43%
• Bus boarding taps: Up 5%

• London Overground: Up 9%
• Elizabeth line: Up 17%

Dan Woodland
Live reporter, at London Victoria Station

George, 26, from West Sussex, has travelled into London to see his girlfriend.

He is waiting for her at London Victoria Station with a bouquet of flowers and they plan to go to London Bridge for some shopping.

He tells me the Tube strikes have been a “nightmare” as people keep bumping into his arm, which is in a sling.

Asked about whether he agrees with the strikes, George says: “I sort of agree with them. They’re protesting for what they think is fair, so I completely understand it.

“But, yeah, it's just a bit annoying when you come into London, you don't know what's happening.”

Dan Woodland
Live reporter, at London Victoria Station

It’s just gone 17:30 BST, and the after-work rush is now well under way.

Commuters looking to get on the Victoria, Circle and District lines here at Victoria are finding themselves stuck in a bottleneck as they try to get through the gates.

“Careful, it’s busy down there,” a member of staff tells passengers as they make their way towards the escalator.

Elizabeth Rizzini
Lead weather presenter

In the last 24 hours, we've seen more rainfall in many parts of London than in the whole of April and May combined - it was a very dry meteorological spring with many spots in the capital seeing less than a third average spring rainfall.

In fact - by the end of the morning Kew Gardens had already seen around half the average June rainfall in just 24 hours.

There is likely to be more.

The problem when a lot of rain falls at once in intense downpours, especially in an urban concrete landscape is that the water won’t run off easily and the drains can’t cope, so there is surface water flooding.

This is dangerous to drive in and unpleasant to walk in.

Daytime heating has sparked off more heavy thundery downpours, but there are likely to be more into at least the first part of the evening rush hour.

It should turn a lot drier into the early part of the evening.

Dan Woodland
Live reporter, at London Victoria Station

I’ve just arrived at Victoria station, where I’ve been graced with a stint of sunshine after today’s - at times - damp weather.

There is a steady flow of commuters making their way in and out of the underground station which feels quieter than usual for this time of day.

Commuters travelling on trains appear largely unaffected, but that could all change as rush hour ensues.

If you're just beginning your journey home, here's the latest from across the Tube network, which is facing heavy disruption this evening due to strike action by the RMT union.

• The Bakerloo line is part suspended between Queen's Park and Harrow & Wealdstone, and there are severe delays between Queen's Park and Elephant & Castle
• Central line - There are minor delays on the entire line, which is part suspended between Liverpool Street and White City
• Circle line - The entire line is suspended
• District line - There are severe delays across the entire line, with services running approximately every 10 minutes
• Hammersmith & City - There are severe delays between Liverpool Street and Hammersmith, with the line suspended between Liverpool Street and Barking
• Metropolitan line - There are minor delays on the entire line, which is also part suspended between Baker Street and Aldgate
• Northern line - There are severe delays on the entire line, which is suspended between Golders Green and Battersea Power Station
• Piccadilly line - There are severe delays between Cockfosters and Arnos Grove, and Heathrow Terminal Four and Five and Acton Town. The line is also part suspended between Arnos Grove and Uxbridge
• Victoria line - There are minor delays across the entire line, with services operation every four minutes
• Waterloo & City - There is no service across the entire line
• The Jubilee line is operating a good service with no delays
• London Overground & DLR - There is good service across all lines except Mildmay, which is experiencing severe delays
• Elizabeth line - There are severe delays between Reading, Abbey Wood and Heathrow Terminals Four and Five due to a faulty train

Passengers travelling on the Tube have been advised to finish their journeys by 21:00 BST by TfL.

Harry Low
BBC London News

Three-fifths of Tube drivers turned up to work today, Transport for London (TfL) says, which is a higher proportion than during April's strikes.

TfL says it was able to run around half of its services in the morning rush-hour, adding that just two drivers on the Jubilee line, which is mainly operated by Aslef members, didn’t turn up for work today, meaning TfL could run a good service on that line.

A TfL spokesperson says: “We are sorry that today has been difficult for customers and for London’s business, but are pleased that we have been able to offer service on almost every Tube line today despite the strike action taken by the RMT, including the Jubilee line operating a normal service.

"We continue to urge the RMT to work with us to resolve their questions on the proposed four-day week and to suspend any future action while that work is completed."

Although London Overground drivers are not taking part in today's strike, we've been hearing of occasional delays and suspensions across the network.

In the last few minutes, TfL has announced that there is no service between Willesden Junction and Richmond on the Mildmay line. There are also minor delays between Willesden Junction and Stratford. It says this is due to a faulty train being fixed at Acton Central.

Elsehwere, The Jubilee line remains the only line on the London Underground network with good service as rush hour nears.

Jacob Phillips
Live reporter, at East Finchley Underground station

Trains into central London appear to be severely delayed on the Northern line - with a longer wait expected than for services heading out to north London.

A sign at East Finchley station recently showed a wait time of over 10 minutes for a train.

The advice from Transport for London suggests wait times of up to 15 minutes while there is no service at all on a section of the line heading south from Golders Green to Battersea Power Station via Charing Cross.

Harry Low
BBC London News, at Holborn Station

As the thunder and lightning crackles overhead, Holborn station is closed.

It’s one of the few stations where neither line it serves is operating as the Central and Piccadilly lines are both knocked out.

Australian tourists Chris and Anna Sellings did not know there was a Tube strike until I told them.

“We were wondering why the doors were closed,” Anna says.

“It’s not ideal for tourists is it?” Chris adds. “It’s not ideal for anyone.

“It’s to be expected in London, especially when the rain’s coming.”

Jacob Phillips
Live reporter

Northbound Bakerloo and Victoria line services were both showing slightly longer waits than usual at around 15:00 BST on Tuesday.

Despite this, trains quickly pulled up on both lines when I had a look at Oxford Circus.

There was a gentle trickle of pedestrians at the central London station although several boards showed that other lines have been affected by the industrial action.

Warnings explaining that the Circle line was down and other lines had delays also rang out as I took the Victoria line to Euston.

At Euston station there were again slightly longer gaps between trains on the Northern line heading (you guessed it) north.

All services northbound were heading to High Barnet, meaning passengers will have to change again to access the Edgware branch.

Commuters still seem able to use the trains - at least on these lines - and there were very few free seats in my carriage on both the Northern line and Victoria line.

It's more misery for commuters travelling on the Northern line, which is now part suspended between Golders Green and Battersea Power Station.

TfL says it's due to strike action.

There are also severe delays on the rest of the line, with services operating every 15 minutes.

Elsewhere on the Tube, the Jubilee line is running a normal service, while there are minor delays on the Victoria line.

All London Overground lines are now operating a normal service, TfL says.

The Lioness line was part suspended for several hours but services have returned to normal.

The Elizabeth line, which commuters have used as an alternative to the Tube, is also operating as normal.

As we begin to look ahead to this evening's rush hour, we're keen to hear how your travelling plans have been affected by today's Tube drivers strike.

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A little earlier we asked you to tell us how today's Tube strike has affected your plans. We'll have more on how to get in touch in our next post, but here's some of your voices so far...

Rick tells us he was stuck in traffic with his two sons this morning on the way to sit their A-levels and GCSEs.

"My sons made it by the skin of their teeth but anxiety levels were sky high while they were sitting in grid locked traffic," he tells us.

"This is totally disgraceful and I will never forgive the unions if this jeopardises their futures."

Meanwhile, CK, who works as a teacher, was forced to get a cab to Paddington as no drivers were willing to travel to his school in Ealing.

His partner is a nurse and says medical workers like her have been impacted "terribly" by the strikes.

"The number of strikes in the last few months has been absurd," he suggests.

Tom in Islington disagrees. He tells the BBC that Tube drivers have "been clear" about the "immense impact" current working conditions have.

"I have to allow extra time for my journeys today but that’s a reasonable trade-off in my opinion," he says, adding that TfL should agree with the RMT's position and "improve safety for all on the network".

As a reminder, the RMT union is striking after accusing TfL of failing to "provide assurances" over concerns about longer working hours and driver safety. TfL insists "safety is our absolute priority" and says today's strikes are "very disappointing" - more on this in our news story.