Team GB

Here's Emily Diamond after GB progresses to the women's 4x400m final: " We had a really tought heat, all three medallists from Rio were in our heat so we had to put a strong team out there - it felt tough but we got the automatic qualification and that's all we needed."

The USA and Jamaica are through, who takes the third automatic place? Great Britain wait anxiously to see the results flash up on the board... and they're in!

Netherlands and Canada also squeeze into the final as the two fastest losers.

The battle for third place in this heat is on, but Great Britain take the baton in fourth for the final leg.

Good first leg from Emily Diamond but it's Jamaica and the USA who are well clear of the field.

Right then, Great Britain's team of Emily Diamond, Zoey Clark, Laviai Nielsen and Nicole Yeargin are about to get under way...

They need a top-three spot in this run to progress.

There's the gun, we're off.

Well, well, well.

It's all going down at the pole vault.

Holly Bradshaw cleared the opening height of 4.50m on her first attempt, but other medal contenders have not fared so well.

Defending champion Katerina Stefanidi took three attempts to get over, while American Katie Nageotte also failed her first two efforts but got over in the end.

Image source, Getty Images

Poland win the first heat by a distance in a season's best 3:23.10. Cuba cross the line second in 3:24.04.

Belgium also qualify automatically for the final, finsihing in 3:24.08.

Over on the track, the women's 4x400m first heat has begun.

Great Britain's team of Emily Diamond, Zoey Clark, Laviai Nielsen and Nicole Yeargin will go in the second heat.

The first three in each heat and two fastest losers will advance to the final.

Steve Backley
Two-time world javelin silver medallist on BBC TV

A clearance for Holly Bradshaw will be a great confidence boost and a settler. This is not a medal height at 4.50m but that will just calm the nerves.

And Bradshaw has got off to a great start, clearing 4.50m on her first attempt.

Holly Bradshaw's pole vault final is starting imminently...

Back in May, she spoke to BBC Sport's Mike Henson about catching Covid-19 four months before the Games and how she learned to love pole vault again.

In four successive seasons, between 2014 and 2017, she had to undergo surgery for various injuries.

"I went on a journey, with the injuries, where I was really resenting the sport," she said.

"I had gone down a track of doing things for the wrong reason and I had to reflect on why I am doing it.

"At the European Indoors this year I was disappointed to finish third. But five or six years ago I would have been so upset, crying on TV and beating myself up for not winning.

"Now, after the mental things I have changed, I can go out and enjoy the competitiveness, rather than only to win.

"If I hadn't changed my psychology back in 2017 I don't even know whether I would be in the sport now because it was killing me.

"The pressure to perform and prove to people I was good was just unhealthy."

The women's heptathlon concludes later with the 800m but it will do so without Great Britain's Katarina Johnson-Thompson, whose Olympics came to a heartbreaking end yesterday.

The 28-year-old pulled up with a calf injury in the 200m and withdrew from the event.

"I've been knocked so many times and got back up," Johnson-Thompson wrote on Twitter this morning.

"But it will take a lot of time for me to process this reality."

It's been a scoreless first quarter in the men's hockey final. Australia and Belgium have been the leading teams all tournament and they are serving up a thriller again.

Image source, Getty Images

BBC One

After becoming Great Britain's youngest Olympic medallist of all time on Wednesday, 13-year-old bronze medal-winning skateboarder Sky Brown said on BBC One: "I'm feeling insanely happy, it's crazy to be here, I'm thankful.

"I hope I've changed people's minds about skateboarding. People don't know how beautiful skateboarding is, there are no rules, you can be creative, just get out there and do whatever you want.

"Falling on your first two runs is the worst feeling ever. I usually make my first two runs so I was a little shocked yesterday. My dad told me: 'This is just a contest, even if you fall you're still amazing, you're still good.'

Then Sakura Yosozumi (Japan's gold medallist) said: 'Sky, we believe in you, you've got it, just stick it.' Everyone was cheering and I just thought, 'I've got to do this. I've got to land it.'

On her crash last year that resulted in a fractured skull: "That was a bit of a rollercoaster, but that accident made stronger, it made me feel powerful, it made me want to go hard and push myself. That was a heavy time for my family. It's insane to be here right now.

On potentially competing in surfing at Paris 2024: "That's the goal, that's my dream, competing for skating and surfing in Paris. That would be really cool. I surf more than I skate!

"All I did to get here was believe in myself and take baby steps. If you believe in yourself, you could be here. But you've got to have fun and enjoy the journey."

Alison Palmer: Wow, so Matt Walls cycles 100 laps around the Velodrome and doesn't even sound puffed let alone out of breath

Earlier on, we told you about Great Britain's Andrea Spendolini Sirieix and Lois Toulson finishing 7th and 9th respectively in the women's 10m platform final.

The contest was won by 14-year-old Quan Hongchan, who scored an incredible three 10s.

Watch her three faultless dives in just one minute below!

Before we settle in for Holly Bradshaw's pole vault final, here is a quick catch up on what we've already seen today.

Great Britain's Liam Heath claimed bronze in the kayak 200m.

Dina Asher-Smith returned to the track to help GB's women break a 4x100m relay British record in the heats, with the men's quartet also through to Friday's finals.

Boxer Galal Yafai is into the men's flyweight final and has the chance to fight for gold and cyclist Matt Walls has of course just secured men's omnium gold in the cycling