Hannah Cockroft wins second gold in women's 800m T34; Kare Adenegan takes bronze
GB's Sophie Kamlish wins 100m T44 final after setting world record in heats
Fellow Brit Richard Whitehead wins bronze in 100m T42 final
Great Britain finish day four with 11 golds, two silvers and seven bronze
Women's 400m T54 final
Image source, PAThat's three golds in three events for the American Tatyana McFadden. And it's her second of the day!
The Paralympic champion notches her 13th world title in 53.74 seconds - a second ahead of Lihong Zou in second and Cheri Madsen in third.
Women's 400m T54 final (20:57 BST)
Not only is Tatyana McFadden an incredible para-athlete, she's also got a fascinating back story.
Born in St Petersburg, Russia, with spina bifida, McFadden spent the first six years of her life in an orphanage before being adopted by Deborah McFadden and moving to the USA.
The 28-year-old has gone on to win seven Paralympic and 12 world titles, as well as four wheelchair marathon grand slams at Boston, London, Chicago and New York.
She also picked up a medal in sit-ski cross-country at the Winter Paralympics.
McFadden has already won the 1500m T54 race today and is now looking to add the 400m title to her impressive collection.
Image source, Getty ImagesBritain's Laura Sugar, who finished fifth in the women's 100m T44 final, speaking to BBC Radio 5 live: "I know I'm capable of the time that got bronze or maybe silver and it just wasn't there. I’m still learning. I'm so pleased for Sophie. It didn't come together for her in the final in Rio and it's great to have someone else win the title."
When Aled Davies surprised GB team-mate Jonnie Peacock live on BBC Radio 5 live...
Britain's Aled Davies surprised team-mate Jonnie Peacock after the Paralympic T44 100m.
Chris Osborne
BBC Sport at London Stadium
Image source, bbcMedal ceremonies are a little different at these World Championships.
Rather than have them in the stadium, athletes pick up their gongs from a stage in the fan park adjacent to the venue.
It means anyone can come along and see Jonnie Peacock, Richard Whitehead, Hannah Cockroft and the gang receive their rewards. It also means things move along a bit quicker during the competitions - there are a looooooot of events.
Today was Jonnie's day to get his hands on the gold medal he earned by winning the T44 100m final last night.
I hunted him down inside the stadium and got a closer look at the bling.
Women's 100m T44 final
Britain's T44 100m gold winner Sophie Kamlish speaking to BBC Radio 5 live: "I just want to keep doing as well as i have this season. I didn't know if i could do it after Rio but not this time.
"I really wanted a medal. I knew I'd be disappointed if it wasn't gold. The false start shakes everyone up. I was a bit pleased because it felt like my first start wasn't great. I beat Marlou van Rhijn in the Manchester City Games and now I can do it on a much bigger scale."
Image source, PA
Image source, TwitterWomen's 800m T34 final
Image source, .Britain's T34 800m winner Hannah Cockroft on BBC Radio 5 live: "I’m really happy with that race. I knew I was in for a good time. Going out today I didn't know if they were gong to go quick or sit in. When Kare went from the gun I was proud of her. When it slowed I shouted at her to pull in and I can help and it worked really well. It's what teams do.
"It's fantastic to have three of us coming through, it's not a one horse race at the moment. I'm not at full fitness. I feel like I'm smoking 100 cigarettes a day.
"Hopefully I'll have more of a voice by the 400m (on Thursday). I love the 400m."
Men's 200m T36 final
No medals for Britain in this one.
James Turner of Australia finishes first in a world record time 24:09 seconds. He's miles ahead of the rest of the field.
Graeme Ballard comes in sixth and Paul Blake finishes eighth.
Chris Osborne
BBC Sport at London Stadium
Australian Scott Reardon, fresh off winning that T42 100m final, uses his in-stadium interview to wish his wife a happy birthday and asks for a round of applause from the crowd.
Cheaper than buying flowers I guess.
Image source, PAMen's 200m T36 final
Up next is the men's 200m T36 final, featuring two Brits in Paul Blake and Graeme Ballard.
Blake is the reigning world T36 champion over 800m, having won gold in Doha in 2015 and at Lyon in 2013 and is also the reigning Paralympic champion over 400m.
Ballard, who like Blake has cerebral palsy, is the former T34 100m world record holder who finished third in this event in 2002.
Image source, Getty ImagesWomen's 100m T44 final
Allison Curbishley
BBC athletics expert on Radio 5 live
Sophie Kamlish was able to deliver. She wasn't able to do it in Rio but now she's the real deal. World record holder and now world champion.
Women's 100m T44 final
Britain's Sophie Kamlish is the world champion - and she's beaten the defending champ!
The 20-year-old single amputee, with a flower in her hair, finishes in 12.92 seconds, ahead of the favourite Marlou van Rhijn who has to settle for silver.
Nyoshia Cain of Trinidad and Tobago takes bronze, while GB's Laura Sugar comes home in fifth.
Image source, PAWomen's 100m T44 final
The race starts again, without American Femita Ayanbeku.
Sophie Kamlish is well away...
Women's 100m T44 final
We have a false start again.
It looks like lane three might be the offender...that's American Femita Ayanbeku. She's looking worried.
Women's 100m T44 final
Dutch sprinter Marlou van Rhijn goes for double sprint gold in the 100m and 200m T44 in London.
Nicknamed 'The Blade Babe', the 25-year-old used to be a swimmer before switching to athletics in 2010.
Two years later, she was a Paralympic champion.
She has a perfect record in the Worlds – two championships, four events, four gold medals.
Now Van Rhijn is aiming to retain those medals for a third time.
Image source, Getty ImagesWomen's 100m T44 final (20:20 BST)
What world records could you set on a Monday morning? The most amount of coffee consumed in an hour? The latest 9am start you've ever accomplished?
If you're Britain's Sophie Kamlish, you start your day with a 100m world record in the T44 heats.
"I didn't think I'd get a world record because I slowed down at the end. It felt like I was walking when I knew I had qualified," said the 20-year-old, who has a below-the-knee amputation to her right leg.
Kamlish crossed the line in 12.90 secs, after taking 0.03 secs off her previous mark, set at the Rio Paralympics.
She will line up alongside compatriot Laura Sugar and defending champion Marlou van Rhijn of the Netherlands in tonight's final at 20:20 BST.
Image source, Getty ImagesMen's 100m T42
I suppose it's better than nothing. I'm very disappointed. I'm a perfectionist and that was rubbish. Sometimes in life you have obstacles. This championships has been full of ups and downs. I'll bounce back from this.
"A time of 12:21 - that's not taking the event forward. For me, being competitive is what I want to be. I should have run better than this morning."
Whitehead said he still wants to improve on his 200m time for Tokoyo 2020, so maybe we haven't seen the last of the him on the track...
Chris Osborne
BBC Sport at London Stadium
Image source, .The only noise I could hear in that race was Hannah Cockroft screaming encouragement to Richard Whitehead.
Men's 100m T42
Baroness Tanni Grey-Thompson
11-time Paralympic champion
There was so much pressure on him. It was almost like he was trying too hard. He didn't have space or time in the last few metres - he looked like he was going to throw himself through the line and that's where he lost time.
Image source, PA